Sodium Hexametaphosphate (SHMP)

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Chemical Name: Sodium Hexametaphosphate

Formula: (NaPO₃)₆

Properties: White powder, density is 2.484(20ｰC), easily soluble in water, but not on organic solution, absorbent to dampness, and furn sticky when absorbed dampness in air. It is possible to formsolvent compound with metallic ions such as Ca, Ba, Mg, Cu and Fe; it is a fine agent for watertreatment.

Specifications:

Name of index		FCC
Totalphosphate,asP₂O₅	%	66.5 -71.0
Chloride	≤%	0.21
Sulphates	≤%	0.048
PH of 1%water solution		6.7-7.2
Solubility		Qualified
Heavy metals	≤%	0.001
Arsenic, as As	≤%	0.0001
Fluoride, as F	≤%	0.003
Water insoluble	≤%	0.05
Pb	≤%	0.0001
Ortho-phosphate		Pass test
Loss on drying	≤%	5.0
Loss on ignition	≤%	1.0
Identification		Pass test
Fe	≤%	0.003

Application: For food grade, it is mainly used as additive agent, PH adjusting agent and fermentation agent, and nourishment. Packing: 25kgs net paper bags or 25kgs net plastic woven bags. Storage and Transport: It should be stored in a ventilative and dry warehouse instead of in the openair, kept away from water, moisture and sunlight during transport, handled with care, so as to avoid amage to plastic bags. Furthermore, it should be stored separately from poisonous substances.

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