Properties

White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 ℃.

Application

Antimicrobial; buffer; emulsifier; nutrient

Package

Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag

Loading:25 kgs on pallet: 24MT/20’FCL; Un-palletized:25MT/20’FCL

Jumbo bag :20 bags /20’FCL ;

Specifications

No	Specifications	National Standard	Ronghong Standard
1	Assay    % ≥	97.0	98 Min
2	P2O5   %≥	/	18.3
3	Sodium oxide, as Na2O	/	15.5-19
4	Sulfate, as SO4 % ≤	/	0.5
5	Heavy metal, as Pb% ≤	0.001	0.0008
6	Arsenic, as As% ≤	0.0003	0.0003 Max
7	Fluoride as F% ≤	0.005	0.002 Max
8	Water insoluble% ≤	0.2	0.1
9	Pb % ≤	0.0004	0.0004 Max
10	Cl % ≤	/	0.001
11	Fe % ≤	/	0.0002
12	PH(10g/L solution)	11.5—12.5	11.5—12.5
13	Loss on drying % ≤	45--57	45--57