... Identification : A TLC, complies B Reaction with ferric chloride solution, C Reaction with a-naphthol solution and strong sodium hypochlorite solution ... , complies D Reaction with a-naphthol solution, complies E Reactions of sulphates, complies ... toxicity: 1mg/0.5ml , Complies Sodium metabisulphite: ≤0.3% Veterinary medicine streptomycin sulfate