磷酸三钠Tri 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,不溶于有机溶剂,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 |
五氧化二磷(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 |
硫酸盐%≤ |
|
0.25 |
0.5 |
0.5 |
6 |
重金属(以Pb计)%≤ |
|
0.001 |
|
0.001 |
7 |
砷(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 |
(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 Specifications :
No. |
Specifications |
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 |
Heavy 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 |