Uses: For water treatment to boiler, also as buffering agent to acidity, detergent, cleaning agent, dyeing flux, for tanning and electroplating. Used for food additive it is mainly used as buffering agent, emulsification agent, nourishment, and etc.
Packing and storage: 25kg, 50kg net bags, store at a clean, dry and draughty place, avoid moisture
Standard executed: HG/T2767-1996
|
Item |
NaH2PO4 · 2H 2 O |
|
|
Industrial Grade |
Food Grade |
|
|
Assay, %≥ |
98.0 |
98.0 |
|
Phosphorus pentoxide, % ≥ |
44.5 |
44.5 |
|
pH, (1% water solution) |
4.2-4.8 |
4.2-4.8 |
|
Heavy metal (as Pb), %≤ |
--
|
0.001 |
|
Arsenic (As), %≤ |
& -- |
0.0003 |
|
Fluoride (as F), %≤ |
--
|
0.005 |
|
Water insoluble, %≤ |
0.10 |
0.10 |