六偏磷酸钠Sodium Hexametaphosphate(SHMP)
化学式：(NaPO3)6
分子量：611.82
执行标准：HG/T2837-1997（工业级）
GB1890-2005（食品级）
性状：
白色粉末, 比重2.484(20度), 易溶于水, 不溶于***, 吸湿性强, 在空气中逐渐吸水显粘胶状, 可与Ca, Ba, Mg, Cu, Fe等金属离子形成可溶性螯合物, 是一种优良的水质处理剂。
用途:
用于油田, 造纸, 纺织, 印染, 石油, 化工, 皮革, 冶金, 建材等行业, 作软水剂, 缓冲剂, 浮选剂, 分散剂, 高温结合剂. 在食品工业中用作添加剂, 营养剂, 品质改良剂, PH值调整剂, 金属离子螯合剂, 粘合剂, ***等。
包装：
内塑外编袋, 两层内袋, 每袋净重25, 50, 1000KG, 贮于通风干燥处。
技术指标
|
序号 |
指标名称 |
工业级 |
食品级 |
|
1 |
外观 |
白色粉末、颗粒、片状 |
|
|
1 |
总磷酸盐（以P2O5 计）% MIN |
68.0 |
68.0 |
|
2 |
非活性磷酸盐(以P2O5 计) % MAX |
7.5 |
7.5 |
|
3 |
铁（以Fe计）% MAX |
0.05 |
0.05 |
|
4 |
PH值 |
5.8-7.3 |
5.8-6.5 |
|
5 |
溶解性 |
合格 |
合格 |
|
6 |
***（以Pb计）% MAX |
|
0.001 |
|
7 |
***（以As计）% MAX |
|
0.0003 |
|
8 |
氟化物（以F计）% MAX |
|
0.003 |
|
9 |
水不溶物%MAX |
0.05 |
0.05 |
|
10 |
聚合度 |
9-21 |
9-21 |
Sodium Hexametaphosphate(SHMP)
Chemical formula : (NaPO3)6
Molecular weight: 611.82
Standard executed: HG/T2837-1997 (technical grade)
GB1890-2005(food grade)
CAS Number: (1)68915-31-1
(2)10124-56-8
Properties:
White powder; Density 2.484g/cm3(20℃); soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; It may form soluble chelates with i*** of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical.
Uses:
Used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy and c***truction materials etc. as water softener, flotation selecting agent, disperser and high temperature adhesive; In food industry it used as an additive, nourishing agent, quality improver, pH regulator, metal i*** chelating agent, adhesive and le***ening agent etc.
Packing and storage:
In 25kg,50kg,1000kg net bage,store at a cool,dry and well ventilated place.
Guaranteed Technical Specificati*** :
|
NO |
Specificati*** |
Industrial Grade |
Food Grade |
|
1 |
Total phosphates (as P2O5 )% ≥ |
68 |
68 |
|
2 |
Inactive Phosphates (as P2O5 )%≤ |
7.5 |
7.5 |
|
3 |
Iron (Fe) % ≤ |
0.05 |
0.05 |
|
4 |
PH Value |
5.8-7.3 |
5.8-6.5 |
|
5 |
Solubility |
pass |
pass |
|
6 |
He***y Metals (as Pb) % ≤ |
0.001 |
0.001 |
|
7 |
Arsenic (As)% ≤ |
|
0.0003 |
|
8 |
Fluoride (as F) % ≤ |
|
0.003 |
|
9 |
Water Insoluble matter % ≤ |
0.05 |
0.05 |
|
10 |
Polymerization |
9-21 |
9-21 |