✦ LIBER ✦
Application of polyethyleneimine cellulose for the class separation of steroidal carboxylic acids from neutral steroids and pigments in urine
✍ Scribed by Carl Monder; Francisca Iohan
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 498 KB
- Volume
- 139
- Category
- Article
- ISSN
- 0003-2697
No coin nor oath required. For personal study only.
✦ Synopsis
Metabolites of corticosteroids that contain the 2 1 -oic acid moiety are found in human urine. The acids from neutral steroids and urinary pigments have been separated by passing the mixture through a column of polyethyleneimine cellulose. The acids adhering to the column are quantitatively eluted with dilute formic acid. The purified preparation is suitable for derivatization and chromatographic analysis.