规格
填料 |
5Diol-120-II |
5Diol-300-II |
Diol-1000-II |
USP Code |
L20 |
硅胶 |
高纯度球形多孔硅胶(1) |
平均粒径 |
5 µm |
平均孔径 |
约 120 Å |
约 300 Å |
约 1000 Å(2) |
固定相 |
二醇基 |
目标化合物 |
蛋白质,水溶性多肽 |
流速 |
0.5-1.0 (ml/min) |
封端处理 |
接近完美封端 |
|
可测范围
(Da) |
蛋白质 |
5,000-100,000 Da |
10,000-700,000 Da |
- |
水溶性多肽 |
1,000-20,000 Da |
5,000-100,000 Da |
50,000-500,000 |
(1) With the silica-based gel, organic solvents, including methanol and acetonitrile, can be used.
(2) If you require pore sizes greater than 1000 Å, please contact us.
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蛋白质的标准曲线
分析条件 |
色谱柱 |
科思美析 (COSMOSIL) 5Diol-II 7.5 mm I.D. x 600 mm |
流动相 |
20 mmol/l Phosphate Buffer(pH7.0)+100 mmol/l Na2SO4 |
流速 |
1.0 ml/min |
温度 |
30°C |
样品
样品名称 |
分子量 |
样品名称 |
分子量 |
Thyroglobulin |
660,000 |
Albumin(Ovalbumin) |
45,000 |
Catalase |
250,000 |
Peroxidase |
40,000 |
Glucose Oxidase |
160,000 |
Carbonic Anhydrase |
30,000 |
Uricase |
128,000 |
α-Chymotrypsinogen A |
25,700 |
Choline Oxidase |
95,000 |
α-Chymotrypsin |
25,200 |
Transferrin |
85,000 |
Trypsinogen |
24,000 |
Conalbumin |
77,500 |
Trypsin(bovine) |
23,300 |
Malate Dehydrogenase |
70,000 |
Myoglobin |
17,000 |
α-Glucosidase |
68,500 |
Lysozyme |
14,300 |
Albumin(BSA) |
66,000 |
Ribonuclease A |
13,700 |
α-Amylase |
52,500 |
Cytochrome C |
12,400 |
Fetuin |
48,000 |
Aprotinin |
6,500 |
|
|
Gly-Gly |
132 |
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Linear pullulan calibration curve
分析条件 |
色谱柱 |
COSMOSIL 5Diol-II 7.5 mm I.D. x 300 mm |
流动相 |
Water |
流速 |
1.0 ml/min |
温度 |
30°C |
检测器 |
RI |
样品
Linear pullulan |
M.W. |
1; P-800 |
853,000 |
2; P-400 |
380,000 |
3; P-200 |
186,000 |
4; P-100 |
100,000 |
5; P-50 |
48,000 |
6; P-20 |
23,700 |
7; P-10 |
12,200 |
8; P-5 |
5,800 |
9; Maltotriose |
504 |
10; Maltose |
342 |
11; Glucose |
180 |
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Molecular Weight Range
Globular molecules have smaller apparent size compared to linear molecules
of the same weight. Therefore, globular molecules can be separated with
smaller pores compared to linear molecules.

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Comparison with Other Companies Columns
COSMOSIL Diol-II demonstrates high performance compared to other companies'
columns.

分析条件 |
色谱柱 |
COSMOSIL 5Diol-300-II 7.5 mm I.D. x 300 mm |
样品 |
- Transferrin
- Hemoglobin, Human
- Angiotensin II(Human)
|
流动相 |
20 mmol/l Phosphate Buffer (pH 7.0) + 100 mmol/l Na2SO4 |
流速 |
1.0 ml/min |
温度 |
30°C |
检测器 |
UV 220 nm |
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