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磷酸氢二铵(DAP)
发布时间:2014-12-24 14:42:17 阅读:3123次 【字体:
 

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NP二元复合肥使用,其总养分(N+P2O5)为74%,是配制NPK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

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