HPLC on pentafluorobenzamidopropyl silica gel
✍ Scribed by Félix, G. ;Bertrand, C.
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 162 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0935-6304
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## Abstract Trace elements in different silica gels are determined by neutron activation analysis. The presence of 20 elements in the ppm range and of 15 elements in the ppb range is established in all silica gels; even in spherical material probably obtained via an organosilicium starting material
Perkin Elmer 990 instrument equipped with an FID and an electronic integrator for the retention time measurements. The carrier gas was helium. Glass capillary columns (40 m X 0.25 mm i.d.) were coated using conventional methods [4]. Retention indices were calculated by an HP 9830A desk computer afte