Free Alkali Research Articles

Uji Kualitas Sabun Padat Transparan Dari Minyak Kelapa Dan Minyak Kelapa Sawit Dengan Antioksidan Ekstrak Likopen Buah Tomat

Increasing population growth causes demand for daily necessities to increase as well, one of which is soap, because almost all humans use soap to wash and clean themselves. The purpose of this reseacrh was to determine the optimum ratio of coconut oil and palm oil to produce the best transparent solid soap and tomato lycopene extract added to maximize the benefits of the soap. Characterization includes water content, total fat, insoluble material in ethanol, free alkali, free fatty acids, non-soaped fats, pH, foam stability, and antioxidant activity from lycopene. The best result was soap with ratio of coconut oil and palm oil 1: 0. The resulting soap has a high transparency, smooth foam, water content of 3.546%, foam stability of 96%, and pH of 10. Soap accordance with SNI3532-2016, except the unsaponifiables fat. The analysis results obtained water content of 3.486%, total fat of 73.616%, insoluble material in ethanol of 1.2%, free fatty acid of 0.564%, negative free alkali, unsaponifiables fat of 0.7294% and Lycopene antioxidant activity of 54.85 µg/mL.

Binahong Leaves Water Extract (Anredera cordifolia (Tenore) Steen.) as a Natural Foaming and Antibacterial Agent of Antiseptic Liquid Bath Soap

<p>The research about the use of binahong leaves water extract (<em>Anredera cordifolia (Tenore) Steen.</em>) as a natural foaming and antibacterial agent in the production of antiseptic liquid bath soap has been conducted. The extraction of binahong leaves was done by the maceration method using water solvents, and then saponin identification was carried out using a foam test and <em>Lieberman Burchard</em>. Antiseptic liquid soap is made in 6 preparations with variations in the ratio of Sodium Lauryl Sulfate (SLS) and water extract of binahong leaves. Antibacterial activity test was carried out on <em>Staphylococcus aureus</em> and <em>Escherichia coli</em> using the excellent diffusion method. The results showed that binahong leaf water extract contained saponins and produced a stable foam of more than 10 minutes so that it could be used as a natural foaming agent in the production of antiseptic liquid bath soap. The soap produced meets the quality requirements of SNI 06-4085-1996 concerning Liquid Bath Soap, where preparation 4 has the best results with detergency power of 40%; pH 8,87; free alkali content of 0,04%; and a specific gravity of 1,06 gr/ml. A liquid bath soap with binahong leaves water extract surfactant (preparation 6) has the highest antibacterial activity against <em>S. aureus</em> and <em>E. coli</em> with inhibition area diameter of 13,5 mm (strong) and 12,5 mm (strong) respectively.</p>

Condiciones operacionales en la saponificación de aceite comestible residual

The objective of the study was to evaluate the operational conditions for obtaining toilet soap based on residual soybean oil (ASR) mixed with small proportions of coconut oil (AC). The samples were collected in the towns of Carazao and Tocopero in the state of Falcon and the physicochemical characterization of the raw material was carried out. A multilevel factorial design was proposed, with reference to: composition of the AC / ASR mixtures (15% / 85%, 25% / 75% and 35% / 65%); NaOH solution concentration (17.5% and 28%) and stirring speed (800RPM and 1150RPM). The best operating conditions are: 28.0647% AC / 71.9353% ASR, 28% NaOH and 1150RPM. The soap presented: pH 9.7406,% Free Alkali 0.0296% NaOH,% Humidity 10.8358% H2O and% Yield 98.7737%, complying with the COVENIN 1360: 1995 and INEN 841 standards, so it is possible Get ASR-based hand soaps.

Assessment of reactivity of energy efficient high volume fly ash based geopolymers through various approaches

Geopolymer belongs to the family of aluminosilicate polymers. The production of geopolymer generally involves the combination of silicon and aluminium atoms in a hydroxide-promoted activation, followed by a condensation reaction to form an aluminosilicate gel which gives the final hardened binder. Reactivity of geopolymer system is influenced by nature of alkaline activator, ratio of silicon to aluminium, curing time, pH and degree of polycondensation. Fly ash and ground granulated blast furnace slag have been utilized for the synthesis of geopolymers at ambient condition which does not require energy. The investigation aims at assessing the reactivity of geopolymer through various approaches such as degree of reactivity (by means of insoluble residue), infra-red spectroscopy and free alkali content involving various activators and admixtures. The results show that potassium based geopolymer with higher level of alkalinity shows more reactivity. Energy required for the production of geopolymer pastes with sodium silicate as activator ranges from 3.65 to 4.37 MJ/kg, with potassium silicate as activator ranges from 2.24 to 4.45 MJ/kg as against 4.79 MJ/kg for ordinary Portland cement paste. For geopolymer pastes using high volume fly ash 4% less carbon foot print is possible compared to ordinary Portland cement paste.

Neutralization of red mud using bio-acid generated by hydrothermal carbonization of waste biomass for potential soil application

Red mud, a by-product generated from alumina industry, poses serious environmental issues and safety risks. Strong alkalinity of red mud is a key factor affecting its potential soil application and comprehensive utilization. A novel process employing natural biomass without addition of chemicals was proposed for remediation of red mud. Hydrothermal carbonization (HTC) of local fallen leaves was conducted to obtain solution containing bio-acids (SBA) and hydrochar. Factors of HTC and stirring process were investigated on neutralization of red mud using SBA. The presence of small-molecule compounds such as furfural and organic acids in SBA is identified by GC-MS. SBA is effective to lower the alkalinity of red mud, and the pH value of red mud is reduced from 9.88 to 6.65 under experimental conditions. Neutralization mechanism was examined by various characterizations including XRD, FTIR, TG and EPMA. Neutralization results in little change of red mud, and it is deduced that small-molecule organic acids only remove free alkali without destruction of minerals. Soil matrix prepared by mixing the neutralized red mud and hydrochar is favorable to plant growth. The developed process including HTC of waste biomass, neutralization of red mud and fabrication of soil matrix for plant growth is green, sustainable and environmentally friendly, thus highly promising for potential applications.

Formulasi sabun karika (Carica pubescens) sebagai sabun kecantikan dan kesehatan

Soap is a mixture of sodium compounds with fatty acids that are used as a body cleansing agent, in the form of solid, foam, with or without other additives and does not cause irritation to the skin. To improve quality, bath soap can be given additional ingredients that contain vitamins and various nutrients needed by the skin such as the addition of extracts of karika fruit (Carica pubescens). The purpose of this research is to find out the right formulation in making karika soap. This research used an experimental method with randomized block design (RCBD), consisting of two factorial variations in the concentration of karika juice (0%, 100%, 80%, 60%) and variations in the concentration of NaOH (30%, 35%, and 40% ) so that 12 treatments were obtained each with 3 replications. The process of making soap uses the hot process method. Soap quality analysis is carried out by comparing the results of chemical tests for karika soap with SNI 06-3532-1994 (SNI for solid bath soap), foam stability test, soap hardness, and organoleptic test. The data obtained were analyzed using ANOVA with a confidence interval of 5%. If an effect is found on one of the variebel, a further Tukey test is performed. The results showed that the water content, pH, and free alkali did not meet SNI, while the amount of fatty acids and mineral oil was in accordance with SNI, the significant difference between treatments was only in the water content. Karika soap has abundant and stable foam. The higher concentration of karika juice make the lower hardness of the soap. Organoleptic test results showed a low level of preference for panelists on karika soap products. The suggestion from this research is that karika juice can be tried to applied it in the liquid bath.

Simulation study for the formation of alkaline efflorescence on bauxite residue disposal areas following the phosphogypsum addition

Bauxite residue is a solid, highly alkaline byproduct generated in the alumina refining process. The process that forms the fine white salt deposits on the surface of bauxite residue disposal areas (BRDAs) following prolonged dry periods, and which also forms on products made from reused residues (sintered bricks, etc.), is known as efflorescence. It not only seriously affects the utilization of bauxite residue in building materials, but also creates potential dust pollution around the BRDAs, which means it would require sustained and intensive resources to manage and transform its alkalinity. Through a laboratory simulation experiment using soil leaching columns, we show that the extent of bauxite residue efflorescence is affected by many factors, including porosity, initial water content, bauxite residue particle size. The main soluble mineral precipitates of efflorescence are Na2CO3 and NaHCO3. Addition of phosphogypsum, a common amendment to reduce dispersion and promote removal of Na+ through leaching, shifted the composition of effloresced salts to favor Na2SO4·10H2O. SEM and Na K-edge X-ray absorption near-edge structure (XANES)spectroscopy demonstrated that free alkali migrates to the residue surface to precipitate as a uniform agglomerate in the efflorescence process, which also changes the chemical form of Na-containing minerals in the bauxite residue and the mesoscale spatial distribution of Na (soft X-ray scanning transmission microscopy imaging). Free alkali migration with water is the main driver of efflorescence, and this work also demonstrated that phosphogypsum can reduce the generation of alkaline efflorescence for ameliorating alkaline dust pollution from bauxite residue.

Influence of NaOH content on the alkali conversion mechanism in MSWI bottom ash alkali-activated mortars

This is a microscopic analysis of the promoting effect that different NaOH contents exerted on both polymerization reaction and alkali conversion mechanism between free and union alkali. The study focuses on the strength development of municipal solid waste incineration bottom ash (BA) alkali-activated mortars. Mixing with the appropriate amount of NaOH (between 1.8% and 5.6%) formed a good alkalinity stimulating environment (13.5 < pH < 14.5) in alkali-activated samples and promoted the process of polymerization. Moreover the formation of high-strength polymerization products (C-A-S-H and C-S-H gels) was also promoted, which significantly facilitated the conversion from free alkali to union alkali and increased the compressive strength. However, excessive addition of NaOH (above 5.6%) cannot further promote the transformation from free alkali to union alkali and decrease the compressive strength. The polymerization and formation of silicate (C-S-H gels) were severely affected by the high alkalinity environment (pH > 14.5) and the excess active sodium competed with active calcium for active silicon and aluminium. This resulted in a large number of low strength N-A-S-H gels formation, while the yield of high strength C-S-H gels decreased significantly.

Investigation of the Physiochemical Properties of Beauty Soaps Available in Pakistan

Abstract This study is aimed to examine the quality of beauty soap bars available to the consumers in Pakistan. A range of soap bars manufactured by local small-scale manufacturers from Pakistan were analyzed for their physiochemical properties such as pH, foaming, total fatty substances, matter insoluble in alcohol, free fatty acids, total alkali and moisture contents. The quality of the Pakistani local soap brands was compared to that of imported soaps or those made by multi-national conglomerates. The products were examined following the national standards set by Pakistan standards and quality control authority (PSQCA). The results showed that pH and total alkali level in the local beauty soaps was ((9,40–9,75) ± 0,03) and ((0,100–0,120) ± 0,02). The values of other physiochemical properties were: total fat matter ((62–71) % ± 0,50) %), matter insoluble in alcohol ((15–21) % ± 0,32 %), free fatty acid ((0,05–0,275) % ± 0,01 %) and moisture content ((10–16) % ± 0,50 %). The results demonstrate that Pakistani locally made soap products showed a relatively low amount of total fatty matter as defined by PSQCA and are required to improve their quality in terms of total fat matter. The products made by multi-national companies were superior for most of the examined features.

ANALISIS KARAKTERISTIK MUTU SABUN TRANSPARAN BEKATUL BERAS MERAH (Oryza nivara) BERBAHAN DASAR MINYAK GORENG BEKAS

ABSTRACT&#x0D; The free radicals exposure from daily activities can cause the damage the skin, therefore to avoid&#x0D; this damage effect can use antioxidants compounds . Brown rice bran is rice milling waste which&#x0D; has high antioxidant with IC50 is 43,2349 ppm. Efforts to increase the economic value of rice bran&#x0D; high in antioxidant compounds is by processing rice bran into transparent soap products. This&#x0D; research was conducted to analyze the quality characteristics of transparent red rice bran soap&#x0D; (Oryza nivara) based on used cooking oil. The quality characteristics of transparent rice soap&#x0D; which includes organoleptic soap, pH, foam power, free alkali, and water content. The data were&#x0D; analyzed descriptively by comparing the results of research with SNI 06-3532 -1994&#x0D; Based on the results of the study obtained the results of the characteristics of soap that meets the&#x0D; quality characteristics of SNI 06-3532-1994 soap requirements with a pH of 10,2 , foam power of&#x0D; 2,54 cm, free alkali of 0,034%, and 3,85% moisture content.&#x0D; Keywords : transparent soap, brown rice bran, used cooking oil, solid soap quality characteristics

English

Palm oil is commonly used to prepare laundry soap by treating it with alkaline solutions. However, using it for this purpose is becoming expensive as palm oil is imported from few major exerting countries. Moreover, it is used for biodiesel production. Therefore, looking for alternative raw material that substitutes palm oil for soap production is imperative. Used cooking oils (UCOs) are good candidates in this regard. In the present study, laundry soaps were prepared using UCOs and sodium hydroxide solution. The cleaning actions and physicochemical properties were evaluated and compared with that commercial soaps purchased from local market. The pH, moisture content, free caustic alkali, % chloride and total alkali content values of the prepared soap materials were found to be in range of 9.31 to 10.56, 6.67 to 14.47%, 0.19 to 0.22%, 0.12 to 0.21%, 0.78 to 1.09%, 75.42 to 88.53%, 70.35 to 84.68%, 0.98 to 1.52%, and 0.28 to 0.67%, respectively. The results obtained in this study were comparable with the physicochemical properties of the commercial soap products used in the study. Moreover, the observed data were comparable with similar data reported in literature and East African Standards (EAS) suggesting that UCOs can be used as raw materials to prepare good quality laundry soap by replacing imported palm oil. Key words: Laundry soap, used cooking oil, saponification, physicochemical properties, saponification.

Comparative Evaluation of Some Physicochemical Properties on Selected Commercially Available Soaps on the Zambian Market

The Zambian market has witnessed an impressive upsurge in the production and consumption of a variety of soaps in recent years. However, there is scant, if any, knowledge of the quality and safety of these soaps. In this undertaking, the quality of some selected soaps was evaluated. The soap samples were randomly obtained from various supermarkets. The qualities of soaps were assessed based on the following physicochemical parameters: free caustic alkali (FCA), moisture content (MC), total fatty matter (TFM), pH and total alkali content (TAC). Upon analysis, a variation in these physicochemical properties was observed. Percent MC ranged between 6.70% ± 0.06% and 18.13% ± 0.13%. Solo and Yebo recorded the highest MC. The pH values ranged from 10.70 ± 0.02 to 12.23% ± 0.01%. Yet again, Yebo had the highest pH followed by Solo and then Romeo. The TAC was between 2.00% ± 0.06% to 2.40% ± 0.01% and FCA values were from 0.00 to 0.021% ± 0.00%. Romeo had the highest TAC value (2.40% ± 0.01%) followed by Dettol (2.31% ± 0.05%). Only Solo and Yebo showed some traces of FCA. On the other hand, TFM values ranged from 51.60% ± 0.60% to 78.15% ± 1.66%. Romeo recorded the highest TFM value (78.15% ± 1.66%) and Yebo recorded the lowest (51.60% ± 0.60%). On average, most soaps analysed herein were of fairly acceptable quality and are fit for use.

ANALISIS KARAKTERISTIK MUTU SABUN TRANSPARAN BEKATUL BERAS MERAH (Oryza nivara) BERBAHAN DASAR MINYAK GORENG BEKAS

ABSTRACT&#x0D; The free radicals exposure from daily activities can cause the damage the skin, therefore to avoid&#x0D; this damage effect can use antioxidants compounds . Brown rice bran is rice milling waste which&#x0D; has high antioxidant with IC50 is 43,2349 ppm. Efforts to increase the economic value of rice bran&#x0D; high in antioxidant compounds is by processing rice bran into transparent soap products. This&#x0D; research was conducted to analyze the quality characteristics of transparent red rice bran soap&#x0D; (Oryza nivara) based on used cooking oil. The quality characteristics of transparent rice soap&#x0D; which includes organoleptic soap, pH, foam power, free alkali, and water content. The data were&#x0D; analyzed descriptively by comparing the results of research with SNI 06-3532 -1994&#x0D; Based on the results of the study obtained the results of the characteristics of soap that meets the&#x0D; quality characteristics of SNI 06-3532-1994 soap requirements with a pH of 10,2 , foam power of&#x0D; 2,54 cm, free alkali of 0,034%, and 3,85% moisture content.&#x0D; Keywords : transparent soap, brown rice bran, used cooking oil, solid soap quality characteristics

Formulasi dan Evaluasi Sabun Cair Ekstrak Etanol Okra (Abelmochus esculentus) serta Uji Antibakterinya

Liquid soap is a liquid form that serves to cleanse the skin. The aim of this research are to know the optimization formulation and evaluation of liquid soap extract ethanol okra ( ) and also find the best concentration of okra extract as the inhibitors against Staphylococcus . Experimental laboratory was chosen as the research design. Liquid soap consists of 5 formulations, namely formulation 1, 2, 3, 4, and 5 which consist of 0%, 25%, 50%, 75% and 100% okra concentration. The antibacterial effectiveness was tested by disc method against liquid soap extract ethanol okra ( ) and the clear zone measured. The analysis done with two-way test. The results of the evaluation of liquid soap quality was appropriate with the standard of soap quality established by SNI 1994. The best moisture value found in the formulation of 5 (F5) with 0%form of 3.54%, the best free fatty acid found in formulation 4 (F4) with a concentration of 50% of 0.07135%, the best free alkali concentration was found in formulation 2 (F2) with a 25% concentration of 0.04194%, the best pH value was presented at concentrations of 0%, 25%, and 50% with a value of 9, the best value of foam stability found in Formula 1 (F1) with a 100% concentration of 9.1, the best density (BJ) test found in Formula 4 (F4) with 0% concentration. The result of ANOVA test with variation of ethanol okra concentration obtained p-value = 0.000 l0.05 which states there was a significant difference where liquid soap extract ethanol okra has antibacterial to Staphylococcus . The best inhibitory zone test resulted in formation 5 (F5) of 14.7 mm at 100% concentration.

Evaluation of Physico-chemical Properties in Selected Branded Soaps

Quality of soaps is directly related with their physicochemical properties. Generally, ranking of the soaps remains indistinct to consumers therefore there is strong need to assess the quality of soaps available in the market. In the present study, eighteen commercial soaps including fourteen toilet soaps and four baby soaps were evaluated for moisture content, pH, total fatty matter, total alkali, free alkali, foam test and emulsification. Values of moisture content ranged between 5.40-15.12%; pH 6.29-11.39; total fatty matter 59-91%; total alkali 0.98-1.60% and free alkali 0.01-0. 62%. The emulsification was observed in all analyzed samples and the foam height was measured in the range between 2.3-8.5 cm. Most of analyzed samples fall within the standard values recommended by International Standard Organization, but in few samples pH, total alkali and free alkali were found to be higher than the recommended values.

ISOLASI MINYAK ATSIRI BIJI BUAH PALA (Myristica fragrans Houtt) DAN PENGGUNAANNYA DALAM PEMBUATAN SABUN TRANSPARAN YANG DI KOMBINASIKAN DENGAN MINYAK JARAK

Nutmeg oil is an essential oil produced through the distillation process from dried nutmeg seeds. Nutmeg oil is usually obtained after the fat contained in it is removed first. Nutmeg oil is used in the pharmaceutical industry as a remedy for stomach aches and diarrhea. The development of castor oil in Indonesia has been increasingly widespread, but its utilization has not been maximized. To maximize the utilization of castor oil, castor oil is processed into soap. Castor oil is always used in the manufacture of transparent soap because castor oil can provide transparent properties to soap. Soap is a surfactant that is used with water for cleaning and washing. The purpose of this study was to use nutmeg essential oil as a comparison with castor oil in making transparent soap. The research method used is experimental. Making transparent soap using nutmeg essential oil as a comparison with castor oil, the amount of nutmeg essential oil and castor oil used was 5ml, 10ml, 15ml, 20ml. Tests of soap preparations made include organoleptic tests, water content tests, pH tests, mineral oil tests, high foam tests and free fatty acid/free alkali tests. From the results of the tests carried out, it can be concluded that the ratio of nutmeg oil and castor oil which has the best concentration is the concentration of 5ml jatropha: 15ml nutmeg. This comparison meets the requirements, namely the results of organoleptic tests that produce good shape, smell and color, the results of the water content test produce 5.5%, the pH test results produce 8. the mineral oil test results were negative, the foaming power and foam stability test results were fixed at 285 and the free alkali test results were 0.039

Comparison of the alkali-silica reactions of ferronickel slag aggregate in fly ash geopolymer and cement mortars

The use of reactive aggregates in ordinary Portland cement (OPC) concrete is limited due to the potential expansion of alkali-silica reaction (ASR). This study evaluates the ASR expansion of ferronickel slag (FNS) fine aggregate in fly ash geopolymer mortar by the accelerated mortar bar test (AMBT) method. While FNS was found to be reactive in OPC mortar, it was found non-reactive with fly ash geopolymer. The OPC mortar showed extensive expansion and strength reduction after exposure to AMBT condition, whereas the geopolymer specimens showed low expansion and strength increment. Scanning electron microscopy (SEM) images of the OPC mortar specimens after AMBT showed the presence of some ASR gel around aggregate surface. However, a relatively firm bonding was observed between aggregate and binder in the geopolymer mortar specimens. The EDS results showed that the aluminosilicate consumed free alkali in geopolymer binder matrix that reduced the ASR of FNS aggregate in geopolymer mortar.

Transparent Soap from Virgin Coconut Oil with Addition of Papaya Fruit Flesh Extract

This research was aimed to get the best transparent soap from virgin coconut oil with addition of papaya fruit flesh extract. Research method used completely randomized design (CRD) which consisted of five treatments and repeated three times. Addition of papaya fruit extract were 10 g, 20 g, 30 g, and 40 g into 200 g soap stock. Data were analyzed by using analysis of variance and continued with duncan’s new multiple range test at 5%. Parameters of the transparent soap observed were chemical properties and organoleptic test. Result of ANOVA showed that free fatty acid, free alkali, and insoluble material in ethanol had met the standard of solid soap SNI 3532-2016 except for water content and total fatty acid. Based on this research, the best formula of transparent soap was with addition of papaya fruit flesh extract 40 g which had 29.87% moisture content, 30.46% total fatty acid, 1.06%, insoluble material in ethanol, 0.15% free fatty acid, 0% free alkali, 9.03 pH, 89.43% foam stability, and 349.55µg/ml antioxidant activity. Sensory assessment of soap by panelist showed that the soap had an orange color, papaya scented, soft texture, and overall hedonic was a little bit liked by panelist.

PENGARUH SUHU PEMANASAN DAN KONSENTRASI CARBOPOL TERHADAP KARAKTERISTIK SABUN CAIR CUCI TANGAN

Liquid soap is a liquid skin cleansing preparation made from basic ingredients of soap (potassium compounds with fatty acids from vegetable or animal oils). The purpose of this study was to determine the effect of heating temperature and carbopol concentration on the characteristics of hand washing liquid soap, as well as to determine the heating temperature and the best concentration of carbopol to produce hand washing liquid soap. This study used a factorial randomized block design with a 2-factor trial. The first factor is the heating temperature which consists of 3 levels are : 70?C, 80?C, 90?C. The second factor is the concentration of carbopol which consists of 3 levels are: 1%, 2%, 3%. The results showed that the heating temperature, carbopol concentration and interaction between the two treatments had a very significant effect on viscosity. Comparison of heating temperature has a very significant effect, but the concentration of carbopol and interaction between treatments has no significant effect on specific gravity and stability of foam. The ratio of carbopol concentration has a very significant effect, heating temperature has a significant effect but the interaction between the two treatments has no significant effect on the foam height. The treatment of heating temperature, carbopol concentration and interaction between treatments had no significant effect on water holding capacity, pH, free alkali and overall reception. The best treatment was obtained from the treatment of 80?C heating temperature with 1% carbopol concentration.&#x0D; Keywords: Heating temperature, carbopol concentration, saponification, liquid soap.

LIQUID SOAP WITH ADDITIONS SARGASSUM (Sargassum polycystum) EXTRACT

Research on making Sargassum soap with the addition of Sargassum polycystum seaweed was carried out for 2 months at the Jakarta College of Fisheries. This study aims to determine the flow of the Sargassum polycystum soap making process, find out how to make Sargassum polycystum soap extracts, determine the quality of liquid soap produced through sensory, chemical and biological tests. This research uses direct research methods. Research results show that the process of making liquid soap extracts include: preparation of raw materials, maceration, evaporation, rinsing and drying. The process of making liquid soap, among others, by adding chemicals include: texafon S, sodium sulfate, aquades, texafon EVR, glycerin, olive oil Sargassum extract, perfume. Based on the results of sensory testing of soap by adding the concentration of Sargassum extract with soap that did not get the addition of Sargassum, it has an average rating that is almost the same. In addition to knowing the quality of Sargassum, chemical, microbiological and anti-bacterial tests were also carried out. Chemical tests include: Moisture content, specific gravity, viscosity, foam stability, Ph test, and free alkali. While the microbiological tests conducted on soap are: ALT.Keywords: Liquid soap, Seaweed, Sargassum, Extract