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              Standard substance and standard solution

              Product name Specifications Packing Unit price / yuan
              Standard visa 7-200
              P-methoxybenzoic acid
              Anthracene
              P-nitrobenzoic acid
              Naphthylamine hydrochloric acid standard solution 50ml
              Naphthalene
              Melting point reference material
              Calcium hydroxide PH = 12.40 ± 0.02 25 ° C 500ml
              Oil bromine valence standard liquid 100ml
              Lithium bromide standard solution 50ml
              Cobalt chloride standard solution 500ml
              2.4-Dichloro standard liquid 50ml
              Isobutanol isoamyl alcohol standard solution 5ml
              Isobutanol standard solution 50ml
              Isopropanol-ethanol standard solution 50ml
              579 Records 12345 39

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