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        Product name Specifications Packing Unit price / yuan
        Diphenylcarbazone-bromophenol blue standard solution 100ml
        Tannic acid standard solution 0.1 mg/ml 50ml
        Indigo labeled solution 0.1 mg/ml 50ml
        Succinic acid standard solution 0.1 mg/ml 50ml
        Red bright red labeling liquid 0.1 mg/ml 50ml
        Bromothymol blue solution 100ml
        Bromothymol blue-methyl red solution 0.1% 100ml
        Saccharin sodium-sorbic acid-benzoic acid mixed standard solution 50ml
        Litmus chromogenic solution 50ml
        Acid indigo blue and sodium sulfonate color developing solution 500ml
        Methyl green-acetic acid solution 50ml
        Methylene blue chromogenic solution 100ml
        Bromocresol violet color developing solution 100ml
        Bromocresol green ethanol solution
        Bromocresol green-methyl red indicator 100ml
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