Indicator for the titrimetric determinat
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D.P.S. Rathore; P.K. Bhargava; Manjeet Kumar; R.K. Talra
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Article
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1993
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Elsevier Science
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English
โ 397 KB
The use of 2\_[(4-phenylthioacetic acidJazoI-1,8-dihydroxynaphthalene-3,6-disulphonic acid as an indicator for the titrimetric determination of both calcium and total calcium plus magnesium is reported. The variables affecting the colour change at the end-point were optimized. The method is free fro