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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。
羟乙基纤维素 Hydroxyethyl Cellulose
|
货号
|
Mw
|
Mn
|
Mz
|
IV* (dl/gm)
|
包装
|
|
HEC510K
|
510,600
|
168,500
|
942,000
|
8.463
|
250mg
|
|
HEC450K
|
449,000
|
205,000
|
705,000
|
7.812
|
250mg
|
|
HEC425K
|
425,000
|
157,300
|
720,600
|
7.411
|
250mg
|
|
HEC380K
|
380,000
|
147,400
|
663,800
|
6.834
|
250mg
|
|
HEC121K
|
121,700
|
23,300
|
370,100
|
3.686
|
250mg
|
|
HEC36K
|
36,000
|
11,400
|
90,150
|
1.5
|
250mg
|
IV* - Intrinsic Viscosity in 0.05MSodium Nitrate at30°C
如果您对上述产品感兴趣，
联系电话：18018625233(同微信) QQ:2303607288
羟丙基纤维素Hydroxypropyl Cellulose
|
货号
|
Mp
|
Mw
|
Mn
|
IV* (dl/gm)
|
包装
|
|
HPC50K
|
49,000
|
55,700
|
28,800
|
1895
|
250mg
|
|
HPC35K
|
34,000
|
37,500
|
21,900
|
1.285
|
250mg
|
|
HPC30K
|
30,000
|
32,400
|
18,800
|
1.095
|
250mg
|
|
HPC25K
|
26,750
|
29,500
|
17,900
|
0.975
|
250mg
|
|
HPC20K
|
18,700
|
20,500
|
12,700
|
0.63
|
250mg
|
|
HPC15K
|
15,250
|
17,000
|
10,400
|
0.53
|
250mg
|
|
HPC10K
|
11,200
|
12,000
|
7,200
|
0.37
|
250mg
|
如果您对上述产品感兴趣
联系电话：18018625233(同微信) QQ:2303607288
羟丙基纤维素, Hydroxypropyl Cellulose，款分子量分布
|
货号
|
Mw
|
Mn
|
IV* (dl/gm)
|
包装
|
|
BHPC865K
|
865,000
|
190,000
|
12.78
|
1.0g
|
|
BHPC637K
|
637,000
|
105,500
|
9.464
|
1.0g
|
|
BHPC570K
|
570,000
|
145,500
|
7.99
|
1.0g
|
|
BHPC557K
|
557,500
|
125,000
|
9.039
|
1.0g
|
|
BHPC486K
|
486,900
|
110,000
|
7.479
|
1.0g
|
|
BHPC388K
|
388,900
|
95,000
|
5.422
|
1.0g
|
|
BHPC290K
|
288,200
|
38,700
|
2.93
|
1.0g
|
|
BHPC205K
|
205,600
|
62,500
|
3.348
|
1.0g
|
|
BHPC188K
|
187,600
|
38,900
|
2.75
|
1.0g
|
|
BHPC153K
|
153,500
|
48,200
|
3.432
|
1.0g
|
|
BHPC93K
|
93,000
|
39,600
|
2.325
|
1.0g
|
|
BHPC86K
|
86,300
|
34,900
|
2.45
|
1.0g
|
|
BHPC80K
|
81,500
|
14,700
|
1.725
|
1.0g
|
|
BHPC72K
|
71,800
|
29,000
|
1.898
|
1.0g
|
|
BHPC70K
|
69,900
|
29,800
|
1.191
|
1.0g
|
|
BHPC57K
|
56,900
|
28,900
|
1.89
|
1.0g
|
|
BHPC55K
|
56,200
|
11,100
|
1.245
|
1.0g
|
|
BHPC50K
|
50,500
|
24,600
|
1.495
|
1.0g
|
|
BHPC30K
|
31,600
|
16,500
|
0.81
|
1.0g
|
如果您对上述产品感兴趣，
联系电话：18018625233(同微信) QQ:2303607288
羟丙基纤维素标准品套装
|
货号
|
套装组成
|
包装
|
|
HPCKIT
|
HPC10K - HPC50K
|
各250mg
|
|
BHPCKIT
|
BHPC30K - BHPC865K
|
各1.0g
|
IIV* - Intrinsic Viscosity in0.05MSodium Sulfate; pH = 7.0 at30°C
如果您对上述产品感兴趣，
联系电话：18018625233(同微信) QQ:2303607288
羟丙基甲基纤维素Hydroxypropyl Methylcellulose
|
货号
|
Mw
|
Mn
|
Mz
|
IV* (dl/gm)
|
包装
|
|
HPMC100K
|
94,200
|
27,000
|
256,900
|
3.143
|
1.0g
|
|
HPMC60K
|
62,700
|
23,200
|
171,600
|
2.755
|
1.0g
|
IV* - Intrinsic Viscosity in0.1MSodium Nitrate; 0.1% ethylene glycol at30°C
如果您对上述产品感兴趣，
联系电话：18018625233(同微信) QQ:2303607288
羧甲基纤维素钠Carboxymethyl Cellulose - Na Salt
|
货号
|
Mw
|
Mn
|
Mz
|
IV* (dl/gm)
|
包装
|
|
CMC1
|
111,600
|
66,000
|
203,800
|
6.0042
|
1.0g
|
|
CMC2
|
111,400
|
47,700
|
405,500
|
2.0056
|
1.0g
|
|
CMC3
|
109,200
|
49,500
|
342,900
|
2.2394
|
1.0g
|
IV* - Intrinsic Viscosity in0.05MSodium Nitrate at30°C
如果您对上述产品感兴趣