Aqueous GPC/SEC Standards / 水性GPC/SEC Standards
聚乙烯醇标准品Polyvinyl Alcohol ,PVA ,CAS:9002-89-5
Synonyms: PVOH; PVA; ethanol homopolymer
Formula: [-CH2CH(OH)-]n
Physical Appearance: Crystalline White to Yellowish
Solubility: Soluble in Water
98% Hydrolyzed | |||||
Catalog # | Mp | Mw | Mn | IV* (dl/gm) | 价格/规格 |
PVOH200K | 134,600 | 200,000 | 95,600 | 0.980 | ¥2366.0/1.0g |
PVOH170K | 120,100 | 170,500 | 84,600 | 0.925 | ¥2366.0/1.0g |
PVOH165K | 100,200 | 167,500 | 60,400 | 0.907 | ¥2366.0/1.0g |
PVOH137K | 93,400 | 137,100 | 63,700 | 0.770 | ¥2366.0/1.0g |
PVOH122K | 85,700 | 122,400 | 60,100 | 0.765 | ¥2366.0/1.0g |
PVOH102K | 81,100 | 102,600 | 43,100 | 0.720 | ¥2366.0/1.0g |
PVOH82K | 58,500 | 82,600 | 41,500 | 0.607 | ¥2366.0/1.0g |
PVOH55K | 33,900 | 55,000 | 21,000 | 0.438 | ¥2366.0/1.0g |
PVOH35K | 24,500 | 35,000 | 16,600 | 0.376 | ¥2366.0/1.0g |
PVOH28K | 22,000 | 28,000 | 9,200 | 0.370 | ¥2366.0/1.0g |
PVOH7K | 5,600 | 7,200 | 4,200 | 0.173 | ¥2366.0/1.0g |
PVOH5K | 4,500 | 5,800 | 3,400 | 0.167 | ¥2366.0/1.0g |
Polyvinyl Alcohol Kit | ||
Catalog # | Kit Description | 套装价格 |
PVOHKIT | 1.0g of PVOH5K - PVOH200K | ¥24398.0 |
IV* - Intrinsic Viscosity in 0.05M Sodium Sulfate at 30°C
Mark-Houwink Parameters: a = 0.53; K = 0.00174
分子量参数注解:
Mw -- Weight average molecular weight / 重均分子量:按照聚合物的重量进行统计平均的分子量,i-聚体的分子量乘以其重量分数的加和。
Mn -- Number average molecular weight/ 数均分子量:按聚合物中含有的分子数目统计平均的分子量,高分子样品中所有分子的总重量除以其分子(摩尔)总数。
Mp -- Peak average molecular weight / 峰值分子量
Mv -- Viscosity average molecular weight / 粘均分子量:对于一定的聚合物-溶剂体系,其特性粘数[η]不同。
Mz -- Z-average molecular weight / Z均分子量:按照Z值统计平均的分子量。
IV* -- Intrinsic Viscosity (dl/gm) /固有粘度
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