Answer / atom4chem

To check ultraviolet region (190-400nm) WE use Caffeine, Erbium perchlorate and Benzophenone. Caffeine and Erbium perchlorate for wavelenth check while Benzophenone for system precision, detection and injection linearity.

Answer / aprao22@gmail.com

Uracil and Benzophenone

Answer / priti

Anthracene can be used

what r the parts calibrated in gc

21 Answers   ELBS, Reddy Labs,

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3 Answers  

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what is the difference between the ordinary loss on drying technique and vacuum oven technique?

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what is mean by content uniformity?

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why we use TLC?

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what is titrent,& titrate

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in gas chromatography what is the difference between gas flow rate and average linear velocity ?

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