pvsk胶体滴定(colloid titration) 是一种简单、快速、准确的测定高分子聚合物电荷的方法。Potassium Polyvinyl Sulfate(聚乙烯硫酸钾,PVSK)于水中可形成带负电的胶体颗粒,Methyl Glycol Chitosan(MGC)在酸性水溶液中带正电,利用电性中和的原理,负电胶体颗粒的会与正电胶体颗粒反应达到电性中和。在适当的pH条件下,此两种胶体可完全反应形成不溶性沉淀物。
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Potassium Polyvinyl Sulfate Solution
Dangerous GoodsCAS number:26837-42-3 molecular formula:C2nH3nKnSnO4n
overview
compound introduction
Specs
| Chinese alias | 聚乙烯硫酸钾(PVSK) | ||
| English alias | vinyl sulfate potassium salt | DTXSID70948046 | SCHEMBL419799 | PVSK | potassium ethenyl sulfate | potassium | ethenyl sulfate | ||
| CAS number | 26837-42-3 | molecular formula | C2nH3nKnSnO4n |
| molecular weight | 162.210 g/mol | Exact mass | for Colloidal Titrat |
| PSA | 74.800 Ų | logp | - |
numbering system
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physicochemical properties
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Safety information
pictogram:
GHS07
Signal word:
Warning
Hazard Statement:
H315: 引起皮肤刺激 H319: 引起严重眼睛刺激 H335: 可能引起呼吸道刺激
Statement of Preventive Measures:
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P305+P351+P338: 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P302+P352: 如皮肤沾染:用水充分清洗。 P321: 特殊处理(请参阅此标签上的...)。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P271: 仅在室外或通风良好的地方使用。 P304+P340: 如误吸入:将人转移
WGK Germany:
3
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MSDS
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