Total phosphate, as P2O5%           68.0min
Inactive phosphate, as P2O5%      7.5max
Iron (Fe) %                                     ≤0.05max
Ph value (1% solution) %               5.8-7.3
SolubilityQualified
Water insoluble %                           0.05max
Useage: used for bleaching agent for textile fibres; Colors stripper and dechlorination; 
preparation of Indigo Vat Dye;solubilizing and acidyfing agent for leather industries ;bleaching  agent for paper pulps;preservative and sterilisation agent for food industries



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