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          1. Changzhou Chuanlin Chemical Co., Ltd.

            Potassium Diphosphate
            Sodium pyrophosphate a
            Phosphorus pentoxide
            Polyphosphoric acid
            Tripotassium phosphate
            Red phosphorus
            Copper Pyrophosphate
            Phosphoric acid, techn
            Phosphoric acid, food
            Sodium hexametaphospha
            Phosphoric acid, technical grade

            Phosphoric acid content≥: 75%
            Application grade: technical grade
            Executive standard: GB2091-2003
            Color/appearance: Hazen
            Quality grade: superior product
            Specification: technical grade (85%, 80%, 75%): upon customer's request
            Packing: 35kg;20L plastic drum; 200L plastic; upon customer's request
            Uses: metal surface treatment agent, catalyst for organic reaction, etc.

            Technical requirement:
            1. Appearance: colorless transparent or yellowish viscous liquid
            2. Technical phosphoric acid shall meet the following requirements (GB2091-2003)

              superior product First-class product Qualified product superior product First-class product Qualified product
            Chroma/Hazen ≤ 20 30 40 20 30 40
            Mass fraction of phosphoric acid (H3PO4), % ≥ 85.0 85.0 85.0 75.0 75.0 75.0
            Mass fraction of chloride (Cl), % ≤ 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005
            Mass fraction of sulfate (SO4), % ≤ 0.003 0.005 0.01 0.003 0.005 0.01
            Mass fraction of iron (Fe), % ≤ 0.002 0.002 0.002 0.002 0.002 0.005
            Mass fraction of arsenic (As), % ≤ 0.0001 0.005 0.01 0.0001 0.005 0.01
            Mass fraction of heavy metal (Pb), % ≤ 0.001 0.001 0.05 0.001 0.001 0.05
            Product information
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