*7 Year's factory tetrasodium pyrophosphate
tspp/sapp/stpp
English
name: Sodium pyrophosphate
Molecular
formula: Na4P2O7,
Na4P2O7·*0H2O
Property: Appearance
White powder or crystal.
Packing
instruction: Paper bag or
PP-PE bag, Net weight *5kg, *0kg,***0kg per
bag, or based on the customers'
requirements.
Industrial Grade
Sodium pyrophosphate
Executive
standard: HG/T ********9
Quality
standard:
|
Item
|
Index
|
|
Sodium pyrophosphate anhydrous
|
Tetrasodium pyrophosphate
decahydrate
|
|
Main contentw/% ≥
|
*6.5
|
*8.0
|
|
Water insoluble
matter w/%
≤
|
0.*5
|
0.*0
|
|
pH value (*0g/L solution)
|
9.***0.7
|
|
Orthophosphate
|
Passes the test
|
Usage: Used as
detergent, pharmaceutical and toothpaste
stabilizer, water softener, boiler antiscaling
agent, metal ion chelant, and also used in
electroplating, electrolysis, plant fiber
blenching, etc.
Food Grade Sodium
pyrophosphate
Executive
standard: GB *********0
Quality
standard:
Sensory
requirements: Should be comply with
the following provisions.
|
Item
|
Requirements
|
|
Color
|
White
|
|
Structural state
|
Powder or crystal
|
Physicochemical
index: Should
be comply with the following
provisions.
|
Item
|
Index
|
|
Tetrasodium pyrophosphate
(Na4P2O7•*0H2O),
w/% ≥
|
*8.0
|
|
Sodium pyrophosphate
anhydrous(Na4P2O7),w/%
|
*6.5~**0.5
|
|
Orthophosphate
|
Passes the test
|
|
pH (*0g/L solution)
|
