六偏磷酸钠sodium hexameta phosphate (shmp)
化学式：(napo3)6
分子量： 611.82
执行标准：hg/t 2519-2007（工业级）
gb1890-2005（食品级）
cas number: 10124-56-8 (8012-14-4)
性状：白色粉末, 比重2.484(20度), 易溶于水, 不溶于有机溶剂, 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, 膨胀剂等。
包装：内塑外编袋, 两层内袋, 每袋净重25kg, 50kg, 1000kg, 贮于通风干燥处。
技术指标
序号
指标名称
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
重金属（以pb计） % max
0.001
7
砷（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（60-80目）
9-21
9-21
sodium hexametaphosphate (shmp)
chemical formula : (napo3)6
molecular weight: 611.82
standard executed: hg/t 2519-2007 (technical grade)
gb1890-2005(food grade)
cas number: 10124-56-8 (8012-14-4)
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 ions 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 construction 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 ions chelating agent, adhesive and leavening agent etc.
packing and storage:
in 25kg,50kg,1000kg net bage,store at a cool,dry and well ventilated place.
guaranteed technical specifications :
no
specifications
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
heavy 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 （60-80mesh）
9-21
9-21
什邡市康龙化工有限责任公司
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中国 德阳