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

why we use x terra columns at higher ph ?

2 Answers   Hetero,

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What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

0 Answers   Natco,

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Why sulfuric acid is used in sulphated ash / residue on ignition test.

9 Answers   CS Pharmaceuticals, Dr Reddys, GVK, HPLC, Micro Labs, Samrudh, Watson Pharmaceuticals, Wings Customer Care,

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what is mean by peak intigrity?

0 Answers  

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Explain about Low pressure gradient and High Pressure gradient systems in HPLC?

4 Answers   Mylan, Orchid, Roshanico,

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we run the same sample in same method in different flow rates in HPLC,any changes in sample analysis?

2 Answers  

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Why are using in Hi,zero air, Ni gass are used GC

5 Answers   Aurobindo, ELBS, Vimta Labs,

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What is difference btw UV detector & RID detector

4 Answers  

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what is the difference between Hydrochloric Acid & Hydrogen chloride

3 Answers  

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what is the diff betwen calibration and system suitability?

8 Answers  

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what is the most common FT-IR source used for the MID&Near IR regions?

1 Answers   Dr Reddys, Piramal Enterprises,

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Why are EDTA used to etimation of Ca,Mg etc, in Water analysis?

3 Answers   Reddy Labs,

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