Character:
White powder or crystal
Usage:
Water retention agent, emulsifier and Flavour enhancer
Packing:
It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
Storage and Transport:
It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Quality S
tandar
d:
( GB25567-2010
)
Name of index
|
GB25567-2010
|
Na
3
HP
2
O
7
|
Na
3
HP
2
O
7
·H
2
O
|
Sense
|
White powder or crystal
|
Na
3
HP
2
O
7
content, w%
≤
|
96.0
|
96.0
|
P205, w%
≤
|
57.0-59.0
|
53.0-55.0
|
Loss on drying, w%
≤
|
0.5
|
1.0
|
Loss on ignition, w%
≤
|
4.5
|
11.5
|
Orthophosphate
|
Pass Test
|
PH (10g/L solution)
|
6.7-7.5
|
Water insoluble matter, w%
≤
|
0.2
|
Arsenic (As), mg/kg
≤
|
3
|
Heavy metals (as Pb), mg/kg
≤
|
10
|
Lead (Pb), mg/kg
≤
|
4
|
Fluoride (as F), mg/kg
≤
|
10
|