out exception, the carboxylic acid polymers (acrylic and maleic acids), demonstrated the most potential as prolonged-action coatings based on solubility in simulated gastric and intestinal fluids. Solubility of a maleic acid polymer varied in aqueous media at a range of pH levels with the degree of
โฆ LIBER โฆ
Use of n-Butanol - Formic Acid - Water Mixture in the Paper Chromatography of Amino-Acids and Sugars
โ Scribed by WIGGINS, L. F.; WILLIAMS, J. HOWARTH
- Book ID
- 109571088
- Publisher
- Nature Publishing Group
- Year
- 1952
- Tongue
- English
- Weight
- 267 KB
- Volume
- 170
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/170279a0
No coin nor oath required. For personal study only.
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In the course of an investigation on the reaction between biogenic amines and proteolipids (1)) methods were required to analyze for proteins and amines in mixture. The method of Satake et al. ( 2) proved to have some easily corrected disadvantages and some unexploited potentialities which make it i