供货周期: | 7天 |
品牌: | 子起生物 |
型号: | 咨询客服 |
货号: | PAA1K |
CAS号: | 子起生物 |
聚丙烯酸钠盐 水性凝胶色谱标准品
聚丙烯酸钠盐 水性凝胶色谱标准品 聚丙烯酸钠盐 水性凝胶色谱标准品 聚丙烯酸钠盐 水性凝胶色谱标准品
(1)线性聚丙烯酸钠,100%水溶
Linear, 100% Water Soluble Powders
Catalog # Mp Mw Mn IV*
PAA1K 900 1,300 830 0.055
PAA2K 1,250 1,930 1,230 0.068
PAA3K 1,770 2,400 1,650 0.079
PAA4K 2,925 3,800 2,280 0.103
PAA5K 4,100 5,660 3,450 0.122
PAA7K 5,800 6,950 3,700 0.127
PAA8K 7,500 8,300 6,200 0.155
PAA18K 16,000 18,100 12,800 0.228
PAA70K 47,500 70,900 39,400 0.509
PAA85K 62,900 83,400 47,900 0.595
PAA130K 115,000 131,200 78,400 0.845
PAA165K 130,500 165,300 97,800 1.074
PAA245K 193,800 245,200 153,250 1.825
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.001740 below Mw of 20,000)
(a = 0.86; K = 0.000040 above Mw of 20,000)
250mg包装
(2)线性 100%水溶
聚丙烯酸钠盐 水性凝胶色谱标准品Linear, 100% Water Soluble Powders
Catalog # Mp Mw Mn IV*
PAA495K 392,600 495,000 311,300 2.815
PAA585K 467,300 585,500 373,000 3.490
PAA695K 585,400 695,100 493,000 3.853
PAA715K 639,700 713,500 496,400 4.173
PAA755K 589,700 755,250 460,500 3.728
PAA925K 825,000 925,000 650,000 5.030
PAA958K 782,200 958,000 638,700 5.540
PAA990K 856,500 987,400 617,100 5.607
PAA1050K 750,000 1,050,000 615,000 5.630
PAA1360K 1,100,000 1,360,000 888,900 7.205
PAA1550K 1,484,000 1,552,000 1,157,000 8.007
PAA1700K 2,250,000 1,700,000 1,100,000 9.355
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.001740 below Mw of 20,000)
(a = 0.86; K = 0.000040 above Mw of 20,000)
250mg包装
Broad, 100% Water Soluble Powders
Catalog # Mw Mn Mz IV*
PAA1200KBR 1,200,000 625,000 1,750,000 5.280
PAA500KBR 507,400 132,500 878,500 2.653
PAA383KBR 383,200 59,300 1,025,000 1.635
PAA308KBR 308,600 54,200 690,000 1.351
PAA298KBE 298,600 54,900 672,300 1.471
PAA297KBR 297,600 47,000 700,000 1.480
PAA275KBR 275,000 22,200 793,100 0.970
PAA270KBR 270,000 61,900 602,600 1.393
PAA167KBR 167,800 16,800 480,700 0.859
PAA136KBR 136,300 24,500 340,900 0.734
PAA29KBR 29,200 7,300 66,600 0.213
PAA19KBR 19,400 3,500 52,200 0.153
PAA10KBR 10,500 1,750 24,000 0.165
PAA8KBR 8,500 2,500 23,800 0.104
PAA4KBR 4,300 850 11,100 0.110
PAA2KBR 1,900 825 4,800 0.059
PAA1KBR 1,400 250 4,800 0.060
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.001740 below Mw of 20,000)
(a = 0.86; K = 0.000040 above Mw of 20,000)
聚丙烯酸钠盐 水性凝胶色谱标准品
1.0g包装
注解:
Mn Number average molecular weight
Mp Peak average molecular weight
Mv Viscosity average molecular weight
Mw Weight average molecular weight
Mz Z-average molecular weight
IV* Intrinsic Viscosity (dl/gm)
数均分子量(Number-average molecular weight):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。
重均分子量( Weight-average molecular weight):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。
Z均分子量(Z-average molecular weight ):按照Z值统计平均的分子量
粘均分子量(Viscosity- average molecular weight):对于一定的聚合物-溶剂体系,其特性粘数[η]不同。
Mz > Mw > Mv > Mn,Mv略低于Mw
Mn靠近聚合物中低分子量的部分,即低分子量部分对Mn影响较大
Mw靠近聚合物中高分子量的部分,即高分子量部分对Mw影响较大
聚丙烯酸钠盐 水性凝胶色谱标准品
一般用Mw来表征聚合物比Mn更恰当,因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。
进口原装聚合物标准品,价格实惠,服务周到。主要分为有机凝胶色谱标准品(Organic GPC/SEC Standards)和水性凝胶色谱标准品(Aqueous GPC/SEC Standards)两类。
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聚丙烯酸钠盐 水性凝胶色谱标准品
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