A microcolorimetric method for the determination of citric acid; a note on the substitution of ferrous sulfate for hydrazine sulfate as the reducing agent.
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D000143:Acids; D019343:Citric Acid; D005296:Ferrous Compounds; D006834:Hydrazines; D019163:Reducing Agents
D000143:Acids; D005296:Ferrous Compounds; D006834:Hydrazines; D019163:Reducing Agents; C029424:hydrazine; D019343:Citric Acid; C020748:ferrous sulfate