Abstract
Solution spectrochemical analysis using special electrode which is named simplified reservoir cupped conical electrode (simplified RCC electrode) was studied and the isolated oxide inclusions with Iodinemethanol, Hot nitric and acid Slime method etc. were determined with this method.The slight sample (100μg up) is fused by fusing mixture (Na2CO3-K2CO3-Borax) in atiny platinum crucible, dissolved by the aliquot volume solvent (Co-citric acid-hydrochloric acid), poured into the simplified RCC electrode, excited by the high voltage spark source and taken each spectrum on the dry plate with 3.4m-Ebart type spectrography.The simplified RCC electrode is made of the rod type carbon electrode (4.6-5mm ∅;) and polyethylene cup (stopper of a pound reagent bottle).The merits of this method are not to require an expensive electrode such as rotating disk electrode, to be able to determine eight elements simultaneously from slight sample, to be superior both repeatability and accuracy and to be take shorter time (1/2) and be cheaper (less than 1/2) the cost of analysis than usual chemical analysis.
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