SODIUM TRIPOLYPHOSPHATE (FOOD GRADE)
Chemical name: sodium tripolyphosphate
Chemical formula: Na5P3O10
Properties:
White microdot powder with luster, melting point
at 622 , easily
soluble in water, with remarkable chelating ability to some metal
ions such as Ca2+ ,Mg2+ ,can soften hard water,
change suspension into solution, alkalescent, without causticity.
Application:
Used as main auxiliary of synthetic wash, soap
synergistic agent, water softener, leather pre-tanning agent, dye
auxiliary agent, and dispersant of suspension such as paint, kaolin,
magnesium oxide, calcium carbonate drilling mud, preservative agent
for paper making, organic synthesis catalyzer, and used in epuration
of petroleum product, gum latex storage, as dispersant, solvent
in metal industry and pharmaceutical industry, also widely used
in gum synthesis, foodstuff industry, and poultry process.
Specifications
|
No
|
Specifications
|
Food Grade
|
|
1
|
Main contents %
|
95.0
|
|
2
|
P2O5 %
|
57.0
|
|
3
|
Fe %
|
0.01
|
|
4
|
Ph of 1% water solution
|
9.5-10.0
|
|
5
|
Chloride, as cl %
|
0.025
|
|
6
|
Heavy metals, as Pb %
|
0.001
|
|
7
|
Arsenic, as As %
|
0.0003
|
|
8
|
Fluoride as F %
|
0.003
|
|
9
|
Water insoluble %
|
0.05
|
Packing :
25kgs net paper or plastic woven bags
Storage and transport:
It should be stored in a ventilative and dry warehouse
instead of in the open air, kept away from water, moisture and sunlight
during transport, handled with care, so as to avoid damage to plastic
bags. Furthermore, it should be stored separately from poisonous
substances.
|