why steroids do not show luminescence on thin layer chromatographic plates?
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why steroids do not show luminescence on thin layer chromatographic plates?
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- What are the underlying physical principles of paper chromatography? What is spectrophotometry, the essence of it?Why do some materials exhibit fluorescence when exposed to ultraviolet light?Why is control of column and detector temperature more important for non- suppressed IC (Ion Chromatography) than it is for suppressed IC?
- The two most abundant pigments in the chromatography results were carotene and Xanthophyll. What colors are absorbed or reflected by various pigments and how much is there?A fluorescence recovery after photobleaching (FRAP) was performed at 37 °C. If the experiment were carried out at 10 °C, what effect would you expect on the rate of fluorescence recovery, Why?The following strip of chromatography paper has been placed in a polar solvent Which pigments the most polar?
