A rapid method of surface modification of glass capillary columns
β Scribed by Torline, P. ;Schnautz, N.
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- English
- Weight
- 336 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0935-6304
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## Abstract The performance of graphitized glass capillary columns obtained by precoating the inner glass walls with graphitized carbon black has been evaluated. It has been shown that according to the amount of stationary phase coated such columns can operate in gasβliquidβsolid chromatography and
It is well known that removal of metal ionsfrom the glass surface greatly improves both the thermal stability and the adsorption characteristics of glass capillary columns.Usually metal ions are removed from a glass surface by acid leaching; in particular, the static leaching procedure with hydrochl
These results (Table 2) indicate a moderately constant ARM value forstructure element CID ringsandside chain in eachseriesof5acholestane derivatives. The difference between the ARM values for CID rings and side chain in both series of compounds deserves further comment. According to Dreiding models