Transcription of 2.2.25. ABSORPTION SPECTROPHOTOMETRY, …
{{id}} {{{paragraph}}}
Example: tourism industry
2.2.25. ABSORPTION SPECTROPHOTOMETRY, …
EUROPEAN PHARMACOPOEIA ABSORPTION spectrophotometry , ultraviolet and visible IMPURITIES IN GASES. For the analysis of impurities, use a cell transparent to infrared radiation and of suitable optical path length (for example, 1-20 m). Fill the cell as prescribed under Gases. For detection and quantification of the impurities, proceed as prescribed in the monograph. 01/2008:20225. ABSORPTION . spectrophotometry , ULTRAVIOLET AND VISIBLE. Determination of absorbance. The absorbance (A) of a solution is defined as the logarithm to base 10 of the reciprocal of the transmittance (T) for monochromatic radiation : Figure Typical spectrum of polystyrene used to verify the resolution performance T = I/I0.
EUROPEAN PHARMACOPOEIA 6.0 2.2.27. Thin-layer chromatography methanol R as the compensation liquid. The spectrum shows a small negative extremum located between 2 large negative extrema at 261 nm and 268 nm, respectively, as
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document:
Related search queries
Dyeing Reagents for TLC, Thin, Layer, Chromatography, Instructions, Biological and Pharmaceutical Bulletin Instructions, Biological and Pharmaceutical Bulletin, Chemical and Pharmaceutical Bulletin Instructions for Authors, Technical Guide, Technical guide for the elaboration of, Technical guide for the ELABORATION OF MONOGRAPHS