Which of the following quantity is correct for micro analysis?
Correct answer: A. 1 - 10 mg or < 50 µL
- A. 1 - 10 mg or < 50 µL
- B. 10 - 20 mg or > 50 µL
- C. 50 - 100 mg or < 100 µL
- D. 100 - 1000 mg or > 1000 µL
Explanation
Analytical methods are often classified by the size of the sample used. Microanalysis is a specific category that deals with very small sample sizes, typically in the range of 1 to 10 milligrams or less than 50 microliters.
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About Analytical Chemistry
Analytical chemistry identifies and measures substances using separation and instrumental methods. Chromatography is studied through stationary and mobile phases, retention and Rf values, while spectroscopy connects absorption of electromagnetic radiation with molecular structure and supports qualitative and quantitative analysis through techniques such as UV-visible and infrared spectroscopy.
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