Sodium Hexametaphosphate SHMP: We have Sodium Hexametaphosphate SHMP tech grade and Sodium Hexametaphosphate SHMP food grade.
Parameter Grade
Standard: HG/T2519-1993/GB1890-2005 Technical Food
Appearance White powder or granular White powder
Total phosphate, as P 2 O 5 %≥ 68.0 69.0
Inactive phosphate,as P 2 O 5 %≤ 7.5 6.5
Iron, as Fe, %≤ 0.05 0.005
pH of 1% water solution 5.8-7.3 5.8-6.5
Solubility Qualified Qualified
Heavy metal, as Pb, %≤ 0.001
Arsenic, as As, %≤ 0.0003
Fluoride, as F, %≤ 0.003
Water insoluble, %≤ 0.05 0.05
