Special solvent column for GPC and GPC method using the same
US4353801A · kind A · utility
9Cited by
1References
10Claims
0Family size
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Key dates
| Filing date | Sep 17, 1980 |
| Grant date | Oct 12, 1982 |
| Priority date | — |
| Expiry date | Sep 17, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D15/426
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A special solvent column for gel-permeation chromatography packed with porous styrene-divinylbenzene type copolymer spherical particles in immersed and swollen state with a special eluent, which is a mixture of hexafluoroisopropanol and a chlorine-containing organic solvent such as chloroform, is effective for enlarging the range of samples to be analyzed and molecular-weight distribution measurement can be conducted rapidly at normal temperatures by using said column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.