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Mr. Dubey • 52.30K Points
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Q. Which of the following is not a technique for preparing solid samples in IR spectroscopy?

(A) solids run in solution
(B) mull technique
(C) solid films
(D) thin films
Correct : Option (D)

Explanation: 
 four techniques are generally used to prepare solid samples. they are: solids run in solution, mull technique, solid films and pressed pellet techniques.

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