美国聚合物标准品公司（American Polymer Standards Corporation, APSC）专业从事聚合物分子量分布分析，在分析各种材料例如尼龙，聚氨酯，聚乙烯，聚丙烯，共聚物等具有丰富的经验。分子量分布分析的主要方法有凝胶渗 透色谱/尺寸排阻色谱(GPC/SEC)；多角激光光散射(MALLS) 以及气相渗透压法(VPO)。自1983年起，美国聚合物标准品公司即提供多种和水性聚合物标准品，这些标准品非常适合于仪器校准，聚合物样品的 GPC/SEC，MALLS或VPO的分子量测定。
线性, 水溶性粉末| 货号 | Mp | Mw | Mn | IV* (dl/gm) | 包装 |
|---|---|---|---|---|---|
| PAA1K | 900 | 1,300 | 830 | 0.055 | 250mg |
| PAA2K | 1,250 | 1,930 | 1,230 | 0.068 | 250mg |
| PAA3K | 1,770 | 2,400 | 1,650 | 0.079 | 250mg |
| PAA4K | 2,925 | 3,800 | 2,280 | 0.103 | 250mg |
| PAA5K | 4,100 | 5,660 | 3,450 | 0.122 | 250mg |
| PAA7K | 5,800 | 6,950 | 3,700 | 0.127 | 250mg |
| PAA8K | 7,500 | 8,300 | 6,200 | 0.155 | 250mg |
| PAA18K | 16,000 | 18,100 | 12,800 | 0.228 | 250mg |
| PAA35K | 28,000 | 36,900 | 23,100 | 0.315 | 250mg |
| PAA70K | 47,500 | 70,900 | 39,400 | 0.509 | 250mg |
| PAA85K | 62,900 | 83,400 | 47,900 | 0.595 | 250mg |
| PAA130K | 115,000 | 131,200 | 78,400 | 0.845 | 250mg |
| PAA165K | 130,500 | 165,300 | 97,800 | 1.074 | 250mg |
| PAA245K | 193,800 | 245,200 | 153,250 | 1.825 | 250mg |
| PAA495K | 392,600 | 495,000 | 311,300 | 2.815 | 250mg |
| PAA585K | 467,300 | 585,500 | 373,000 | 3.490 | 250mg |
| PAA695K | 585,400 | 695,100 | 493,000 | 3.853 | 250mg |
| PAA715K | 639,700 | 713,500 | 496,400 | 4.173 | 250mg |
| PAA755K | 589,700 | 755,250 | 460,500 | 3.728 | 250mg |
| PAA990K | 856,500 | 987,400 | 617,100 | 5.607 | 250mg |
| PAA1050K | 750,000 | 1,050,000 | 615,000 | 5.630 | 250mg |
| PAA1214K | 1,103,000 | 1,214,000 | 813,800 | 6.760 | 250mg |
| PAA1700K | 2,250,000 | 1,700,000 | 1,100,000 | 9.355 | 250mg |
宽分子量分布， 水溶性粉末
| 货号 | Mw | Mn | Mz | IV* (dl/gm) | 包装 |
|---|---|---|---|---|---|
| PAA1200KBR | 1,200,000 | 625,000 | 1,750,000 | 5.280 | 1.0g |
| PAA500KBR | 507,400 | 132,500 | 878,500 | 2.653 | 1.0g |
| PAA383KBR | 383,200 | 59,300 | 1,025,000 | 1.635 | 1.0g |
| PAA308KBR | 308,600 | 54,200 | 690,000 | 1.351 | 1.0g |
| PAA298KBE | 298,600 | 54,900 | 672,300 | 1.471 | 1.0g |
| PAA297KBR | 297,600 | 47,000 | 700,000 | 1.480 | 1.0g |
| PAA275KBR | 275,000 | 22,200 | 793,100 | 0.970 | 1.0g |
| PAA270KBR | 270,000 | 61,900 | 602,600 | 1.393 | 1.0g |
| PAA167KBR | 167,800 | 16,800 | 480,700 | 0.859 | 1.0g |
| PAA136KBR | 136,300 | 24,500 | 340,900 | 0.734 | 1.0g |
| PAA29KBR | 29,200 | 7,300 | 66,600 | 0.213 | 1.0g |
| PAA19KBR | 19,400 | 3,500 | 52,200 | 0.153 | 1.0g |
| PAA10KBR | 10,500 | 1,750 | 24,000 | 0.165 | 1.0g |
| PAA8KBR | 8,500 | 2,500 | 23,800 | 0.104 | 1.0g |
| PAA4KBR | 4,300 | 850 | 11,100 | 0.110 | 1.0g |
| PAA2KBR | 1,900 | 825 | 4,800 | 0.059 | 1.0g |
| PAA1KBR | 1,400 | 250 | 4,800 | 0.060 | 1.0g |
聚丙烯酸钠套装
| 货号 | Kit Description |
|---|---|
| PAAKIT | 250mg of PAA1K - PAA245K |
| PAAHIKIT | 250mg of PAA495K - PAA1700K |
| PAABRKIT | 1.0g of PAA1KBR - PAA1200KBR |
Mark-Houwink Parameters
below Mw of 20,000: a = 0.50; K = 0.001740
above Mw of 20,000: a = 0.86; K = 0.000040
Shanghai HuicH Biotech Co.，Ltd.
上海惠诚生物2010年至今专注于食品检测方面的标准品 ,优势品牌系列:
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