Abstract
Development of lead ion detection systems is expected to have an advantage in terms of simplicity of the device and easy for concentration analysis of a lead ion with very high performance. One important part of lead ion detection systems are electrical signal acquisition parts. The electrical signal acquisition part uses the main electronic components: non inverting op-amplifier, instrumentation amplifier, multiplier circuit and logarithmic amplifier. Here will be shown the performance of lead ion detection systems when the existing electrical signal processors use commercial electronic components. The results that can be drawn from this experimental were the lead ion sensor that has been developed can be used to detect lead ions with a sensitivity of 10.48 mV/ppm with the linearity 97.11% and had a measurement range of 0.1 ppm to 80 ppm.
Highlights
F U Ermawati and S SuasmoroLocal site effect of soil slope based on microtremor measurement in Samigaluh, Kulon Progo Yogyakarta
Several measurement methods of the chemical concentration have been carried out using optical fiber sensors [1,2.3]
Development of lead ion detection systems is expected to have an advantage in terms of simplicity of the device and easy for concentration analysis of a lead ion with very high performance
Summary
Local site effect of soil slope based on microtremor measurement in Samigaluh, Kulon Progo Yogyakarta. U N Prabowo, A F Amalia and F E Wiranata https://iopscience.iop.org/issue/1742-6596/997/1. The effectiveness of collaborative problem based physics learning (CPBPL) model to improve student's self-confidence on physics learning. Qualitative analysis of ionospheric disorders in Solok earthquake (March 6, 2007) viewed from anomalous critical frequency of layer F (f0F2) and genesis spread F. The effectiveness of CPI model to improve positive attitude toward science (PATS) for pre-service physics teacher. Spatial distribution of topsoil magnetic susceptibility in Sawahlunto City, West Sumatera https://iopscience.iop.org/issue/1742-6596/997/1. Analysis of graphical representation among freshmen in undergraduate physics laboratory. The effectiveness of Concept Mapping Content Representation Lesson Study (ComCoReLS) model to improve skills of Creating Physics Lesson Plan (CPLP) for pre-service physics teacher https://iopscience.iop.org/issue/1742-6596/997/1. Horizontal Displacement Vector Analysis in Ujong Muloh GPS Station (UMLH) Sumatra Island on March 27 – April 25, 2012
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