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Paper chromatography of some synthetic pteridines

✍ Scribed by Renfrew, Alice G. ;Piatt, Pauline C.

Publisher
Elsevier
Year
1950
Weight
265 KB
Volume
39
Category
Article
ISSN
0095-9553

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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