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        +86-22-85689619

        Standard substance and standard solution

        Product name Specifications Packing Unit price / yuan
        Acetaldehyde acetal furfural ethanol solution 50ml
        Ninhydrin reagents (R1 and R2) A group
        Phosphite standard solution 50ml
        Sulfite standard solution 50ml
        Sodium bisulfite standard solution 50ml
        Ethyl benzene standard solution 50ml
        1.6-Oxalic acid
        Benzoic acid
        Aromatic Reference Materials for Petrochemical Industry (4 Kinds) 3-4% 100ml
        Mixed phosphate I PH=6. 86 ± 0. 02 25 ° C 500ml
        -< br > bromine standard solution in light oil 5ng/ml < br > 10ng/ml < br > 50ng/ml < br > 100ng/ml < br > 200ng/ml 5ml × 5
        Standard solution of-< br > nitrogen in light oil 5ng/ml < br > 10ng/ml < br > 50ng/ml < br > 100ng/ml < br > 200ng/ml 5ml × 5
        Standard solution of-< br > phenol in light oil 5ng/ml < br > 10ng/ml < br > 50ng/ml < br > 100ng/ml < br > 200ng/ml 5ml × 5
        Acetic acid 0.1000 mol/L < br > 1.0000 mol/L 50ml
        Potassium hydroxide 0.1000 mol/L < br > 0.1000 mol/L < br > 0.5000 mol/L < br > 1.0000 mol/L < br > 0.0500 mol/L 50ml
        579 Records First 23456 39

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