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              Product name Specifications Packing Unit price / yuan
              Isopropanol standard solution 0.1 500ml
              Isobutanol standard solution 1g/L 5ml
              Ethylene glycol standard solution Diethyl=triethyl=0.05% 5ml
              Ethyl benzene standard solution
              Methylene blue labeled solution
              Residual chlorine colorimetric solution
              Iodine monochloride-acetic acid 0.2 mol/L 500ml
              Platinum asbestos 0.1 5g
              Palladium-carbon catalyst 5%, 10% 5g
              Sodium propionate AR 100g
              Sodium pyruvate AR 25g
              Sodium acrylate AR 25g
              Sodium oxalate AR 500g
              Sodium hypophosphite AR 500g
              Disodium chromotropic acid AR 10g
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