磷酸三钠Tri-Sodium Phosphate (TSP)
化学式： Na3PO4. nH2O (n=0,12)
分子量： 380.14
执行标准： HG/T2517-1993
性状：
外观为白色或无色粒状结晶，易风化，易溶于水，不溶于***，水溶液呈碱反应，1%水溶液PH值为12.1，相对密度1.62，熔点73.4℃。
用途：
软水处理、日用化工、电镀磷化、印染固色、搪瓷助熔及制革脱脂等。
包装贮存：
内塑外编袋、纸袋，每袋净重25Kg、50Kg、1000Kg，贮于通风干燥处。
技术指标
|
序号 |
指标名称 |
无水物 |
十二水物 |
||
|
工业级 |
食品级 |
工业级 |
食品级 |
||
|
1 |
外观 |
白色粉末 |
白色粒状晶体 |
||
|
2 |
主含量%≥ |
98.0 |
98.0 |
98.0 |
98.0 |
|
3 |
***(以P2O5计)%≥ |
39.5 |
39.5 |
18.3 |
18.3 |
|
4 |
甲基橙碱度（以Na2O计） |
36-40 |
36-40 |
15.5-19 |
15.5-19 |
|
5 |
***盐%≤ |
|
0.25 |
0.5 |
0.5 |
|
6 |
***（以Pb计）%≤ |
|
0.001 |
|
0.001 |
|
7 |
***（以As计）%≤ |
|
0.0003 |
|
0.0003 |
|
8 |
氟化物（以F计）%≤ |
|
0.005 |
|
0.005 |
|
9 |
水不溶物%≤ |
0.10 |
0.10 |
0.10 |
0.10 |
Tri-Sodium Phosphate(TSP)
Chemical formula: Na3HPO4. nH2O (n=0,12)
Molecular weight: 380.14
Standard executed: HG/T2517-93
CAS Number: 7758-79-4
Properties:
White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 ℃.
Application:
Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
Guaranteed Technical Specificati*** :
|
No. |
Specificati*** |
Na3PO4 |
Na3PO4 .12H2O |
||
|
Industrial |
Food |
Industrial |
Food |
||
|
1 |
Apearance |
white powder |
white or colorless crystal powder |
||
|
2 |
Main contents% ≥ |
98.0 |
98.0 |
98.0 |
98.0 |
|
3 |
Phosphorus pentoxide(P2O5)%≥ |
39.5 |
39.5 |
18.3 |
18.3 |
|
4 |
Sodium oxide, as Na2O |
36-40 |
36-40 |
15.5-19 |
15.5-19 |
|
5 |
Sulfate, as SO4 % ≤ |
|
0.25 |
0.5 |
0.5 |
|
6 |
He***y metal, as Pb% ≤ |
|
0.001 |
0.001 |
0.001 |
|
7 |
Arsenic, as As% ≤ |
|
0.0003 |
0.0003 |
0.0003 |
|
8 |
Fluoride as F% ≤ |
|
0.005 |
0.005 |
0.005 |
|
9 |
Water insoluble% ≤ |
0.10 |
0.10 |
0.10 |
0.10 |