| Characters: It is white powdery granulars or lumps,
easy deliquescence, soluble in water and showing
alkaline aqueous solution and insoluble in
alcohol.
Use
: It is mainy
used in non cyanogen electroplating, As a
Complexing agent for electroplating to Substitute
sodium cyanide, it is also used in Electroplating
pre-treatment agent and electroplating solution of
Pyrophosphate, used as components of detergents
for cloth, cleaning agents for metal surfaces and
cleaners for bottles, used for clay dispersant in
ceramic industry, and for Pigment and dye
dispersant and buffer. In the dyeing industry to
remove a small amount of Fe 3 + in order to
improve the quality of
dyeing.
Packing: In 25kgs plastic woven bags, or
in 50LBs three layer paper with doule plastic bag
lining.
Specifications :
model |
Index
name |
Export
grade |
High-purity |
High
class |
Tetra
potassium pyro-phosphate
K4P2O7% |
96 |
98 |
96.0 |
Iron(Fe)% |
0.005 |
0.005 |
0.03 |
water
insolubles % |
0.08 |
0.08 |
0.10 |
ph
value(1% water solvent) |
10.51 |
Or
thophosphate PO4 |
No
distinct yellow color when react with
0.1NAgNO3 |
chloride
(Cl)% |
0.45 |
- |
- |
heavy
metal contents (Pb)% |
0.01 |
- |
- |
total
phosphorus content(P2O5)% |
41 |
- |
- |
|
