A Pharmaceutical Study of Acetylsalicylic Acid.
β Scribed by Snidow, Harriet V. ;Langenhan, H.A.
- Publisher
- Elsevier
- Year
- 1925
- Weight
- 264 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0898-140X
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π SIMILAR VOLUMES
methanol or acetone-ethanol gave rods, in. p. 85-86". Shoppee (5) gives m. p. 88-89" for p-sitosteryl chloride. Anal.-Calcd. for CggH4sC1; C1, 8.18. Found: C1, 8.15. p-Sitosterol 3,5Dinitrobenzoate.-The free compound (0.26 Gm.) was refluxed 0.5 hour with 0.60 Gm. 3,5-dinitrobenzoyl chloride in 8 m
Acetylation of acetaminophen (paracetamol) by acetylsalicylic acid to 0,N-diacetyl-p-aminophenol (DAPAP) was not evident in experimental pharmaceutical dosage forms. DAPAP, which was found to be present in small quantities in commercial grade acetaminophen, is unstable in pharmaceutical preparations
## Abstract In this contribution, a new separation method for simultaneous determination of paracetamol, caffeine, acetylsalicylic acid, and internal standard benzoic acid was developed based on a novel reversedβphase sequential injection chromatography (SIC) technique with UV detection. A Chromoli