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Analysing Arsenic
Tetra Technologies
Arsenic (As) is reduced by metallic zinc and the formed AsH3 is absorbed in pyridine containing silverdiethyldithiocarbamante (Ag-DDC). AsH3 reacts with Ag-DCC and produces a red color which is photometrically determined at 540 nm.

Note: This analysis is only performed on food grade calcium chloride.

Normal Measuring Range 0.5-60 mg/kg
Quantification Limit 0.5 mg/kg

 
RELATED INFORMATION
CaCl2 Analysis
Na, Mg, K, Fe, Pb Analysis
Determining Alkalinity
Analysing Insoluble Matter
Determining pH
Determining Heavy Metals
Analysing Fluoride
Analysing Arsenic

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