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磷酸氢二铵（DAP）
Diammonium Phosphate
Chemical formula:(NH4)2HPO4
Molecular weight:132.0
CAS number:7783-28-0
Uses:
As a fire-prevention agent for fabric , timber and paper . For food grade it is mainly used as a fermentation agent , nourishment ,and so on . Used as a high effective non-chloride N,P compound fertilizer in agriculture . It contains totally 74% fertilizer elements ,used as a basic raw material for N,Pand K compound fertilizer .
用途：
主要用于木材、纸张、织物作防火剂，也用作防火涂料添加剂，还用于印刷制版和医药的制造等，在食品工业中用作发酵剂、营养剂等。在农业上作为无氯型N、P二元复合肥使用，其总养分（N+P2O5）为74%，是配制N、P、K三元复混肥的优质基础原料。
Packing and storage:
I n 25kg,50kg,1000kg net bags, store at a cool,dry and well ventilated place
Guaranteed technical specifications:
|
No. |
specifications |
TECH Grade |
FOOD GRADE |
|
1 |
Main content((NH4)2HPO4)%≥ |
98.0 |
99.0 |
|
2 |
P2O5%≥ |
53.0 |
53.0 |
|
3 |
Nitrogen, as N % ≥ |
20.8 |
20.8 |
|
4 |
PH of 1% solution |
7.8-8.2 |
7.8-8.2 |
|
5 |
Water insoluble %≤ |
0.10 |
0.10 |
|
6 |
Moisture (H2O)≤ |
0.2 |
0.20 |
|
7 |
Arsenic, as As%≤ |
pass |
0.0003 |
|
8 |
Fluoride as f%≤ |
pass |
0.005 |
|
9 |
Heavy metals, as Pb %≤ |
pass |
0.001 |
