Use of multiple Rf values for identification by paper and thin-layer chromatography
β Scribed by Connors, Kenneth A.
- Book ID
- 126428478
- Publisher
- American Chemical Society
- Year
- 1974
- Tongue
- English
- Weight
- 723 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0003-2700
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
produccs a curved segment a t lower pH values.8 In calculating the purity and ionization constant, only the linear portion of each plot was used. Nevertheless, it may be seen (Table 11) that the intercept obtained (and therefore the purity evaluated) is not markedly influenced by the choice of activ
A large number of opium alkaloids has been chromatographed by gas, thin-layer, and paper chromatography for the purpose of identification. Gas chromatography is particularly valuable because of its speed, sim licity, and reproducibility. T h e two other methods are useful for certain alkaloi& which