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              Product name Specifications Packing Unit price / yuan
              Ninhydrin hydrate AR 5g
              Salicylfluorone AR 1g
              2.4-Dinitroaniline AR 25g
              3.3. 5.5 Tetramethylbenzidine (TMB) AR 1g
              -Naphthylamine AR 25g
              -Naphthylamine hydrochloride AR 25g
              -Naphthylamine AR 25g
              Diphenylamine AR 100g
              Gold amine BS 25g
              O-toluidine AR 25g
              Anisidine; anisidine AR 5g
              3.3-Diaminobenzidine AR 10g
              Pararosaniline hydrochloride 0.002 100ml
              Violet urea amine AR 5g
              Chrome blue SE BS 25g

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