4-Amino-3-methyl-5-mercapto-1,2,4-triazole as a gravimetric reagent for determination of silver in silver compounds, alloys and complexes

4-Amino-3-methyl-5-mercapto-1,2,4-triazole as a gravimetric reagent for determination of silver in silver compounds, alloys and complexes

A simple, convenient and accurate gravimetric method for the determination of silver is presented. 4-Amino-3-methyl-5-mercapto-1,2,4-triazole precipitates silver quantitatively from ammoniacal tartrate medium. The complex is weighed as AgC 3H 5N 4S after drying at 120–30°. Separation of silver from...

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Veröffentlicht in:Talanta (Oxford) 1978-07, Vol.25 (7), p.418-420
Hauptverfasser: Gadag, R.V., Gajendragad®, M.R.
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Gajendragad®, M.R.
description A simple, convenient and accurate gravimetric method for the determination of silver is presented. 4-Amino-3-methyl-5-mercapto-1,2,4-triazole precipitates silver quantitatively from ammoniacal tartrate medium. The complex is weighed as AgC 3H 5N 4S after drying at 120–30°. Separation of silver from a large number of cations is described. Application of the method for quantitative analysis of alloys and complexes of silver is reported. The average relative error for the range 20–70 mg of silver is ± 0.25% and the relative standard deviation at the 40-mg level is 0.2%.
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title 4-Amino-3-methyl-5-mercapto-1,2,4-triazole as a gravimetric reagent for determination of silver in silver compounds, alloys and complexes
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