[Colorimetric method of quantitative determination of nitric acid anions using a sulfuric acid solution of diphenylamine].
D000838:Anions; D004159:Diphenylamine; D009566:Nitrates / Q000032:analysis*; D017942:Nitric Acid; D012996:Solutions; D013464:Sulfuric Acids
D000838:Anions; D009566:Nitrates; D012996:Solutions; D013464:Sulfuric Acids; D017942:Nitric Acid; D004159:Diphenylamine; C033158:sulfuric acid
NITRATES/determination
K voprosu o kolorimetrichskom sposobe kolichestvennogo opredeleniia aniona azotnoi kisloty posredstvom sernokislotnogo rastvora difenilamina.