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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。
普鲁兰多糖
|
货号
|
Mp
|
Mw
|
Mn
|
IV* (dl/gm)
|
包装
|
|
P70K
|
65,000
|
70,000
|
47,000
|
0.341
|
200mg
|
|
P97K
|
95,000
|
97,100
|
64,900
|
0.403
|
200mg
|
|
P105K
|
98,000
|
105,000
|
63,000
|
0.417
|
200mg
|
|
P110K
|
108,000
|
109,400
|
77,600
|
0.428
|
200mg
|
|
P130K
|
126,100
|
132,600
|
81,200
|
0.542
|
200mg
|
|
P160K
|
166,600
|
164,900
|
109,900
|
0.57
|
200mg
|
|
P175K
|
172,600
|
175,500
|
109,000
|
0.596
|
200mg
|
|
P192K
|
186,300
|
191,800
|
124,000
|
0.566
|
200mg
|
|
P200K
|
202,900
|
202,100
|
134,000
|
0.683
|
200mg
|
|
P215K
|
218,900
|
217,300
|
146,000
|
0.675
|
200mg
|
|
P256K
|
250,000
|
256,000
|
160,000
|
0.706
|
200mg
|
|
P270K
|
273,700
|
273,700
|
179,300
|
0.784
|
200mg
|
|
P290K
|
285,100
|
293,500
|
189,900
|
0.861
|
200mg
|
|
P300K
|
294,400
|
306,300
|
188,200
|
0.889
|
200mg
|
|
P325K
|
299,000
|
325,700
|
192,700
|
0.9
|
200mg
|
|
P360K
|
336,400
|
360,400
|
221,700
|
0.955
|
200mg
|
|
P580K
|
501,600
|
586,800
|
365,300
|
1.377
|
200mg
|
|
P650K
|
483,100
|
657,900
|
322,400
|
1.408
|
200mg
|
|
P760K
|
596,300
|
762,300
|
381,000
|
1.464
|
200mg
|
|
P825K
|
610,000
|
825,300
|
444,900
|
1.631
|
200mg
|
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线性套装（不拆分）
|
货号
|
Mp
|
Mw
|
Mn
|
IV* (dl/gm)
|
包装
|
|
PullulanKit
|
708,000
|
805,000
|
636,000
|
1.7
|
200mg
|
|
375,000
|
393,000
|
356,000
|
1.056
|
200mg
|
|
|
200,000
|
210,000
|
189,000
|
0.7
|
200mg
|
|
|
107,000
|
113,000
|
100,000
|
0.46
|
200mg
|
|
|
47,100
|
48,800
|
45,500
|
0.264
|
200mg
|
|
|
21,100
|
21,700
|
20,000
|
0.154
|
200mg
|
|
|
9,600
|
10,000
|
9,200
|
0.092
|
200mg
|
|
|
5,900
|
6,000
|
5,500
|
0.065
|
200mg
|
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宽分子量分布
|
货号
|
Mp
|
Mw
|
Mn
|
IV* (dl/gm)
|
包装
|
|
PBR290K
|
290,000
|
36,600
|
790,800
|
0.673
|
1.0g
|
|
PBR120K
|
120,000
|
46,200
|
215,000
|
0.379
|
1.0g
|
|
PBR115K
|
114,900
|
45,200
|
178,600
|
0.467
|
1.0g
|
|
PBR100K
|
98,200
|
39,000
|
215,000
|
0.342
|
1.0g
|
|
PBR30K
|
30,800
|
12,400
|
52,800
|
0.224
|
1.0g
|
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普鲁兰多糖套装
IV* - Intrinsic Viscosity (dL/g) in0.05MSodium Sulfate at30°C
Mark-Houwink Parameters: a = 0.665; K = 0.000201
|
货号
|
套装组成
|
包装
|
|
PKIT
|
P70K - P825K
|
各200mg
|
Mark-Houwink Parameters: a = 0.665; K = 0.000201
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