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How do you prepare diphenyl carbazide for determination of chromium?
Wiki User
∙ 11y ago
Reagents Needed:
diphenyl carbazide
conc. HCl
ethanol
Method:
1. Dissolve 0.5g of diphenyl carbazide in 5mL of conc HCl.
2. Prepare a solution of 50%(v/v) ethanol by mixing 50mL 95%(v/v) ethanol and water.
3. Transfer the diphenyl carbazide solution in HCl to the 50% ethanol and mix.
Wiki User
∙ 11y ago
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