Answer Posted / kamil hassan

limitation of uv visible spectrometer from 200 nm to 800 nm range. 200 to 400nm uv wavelength & 400 to 800 in visible Wavelength '
water we used as a solver in spectrometer because its absorb on only 165 nm (vacuum uv range) so why we used deionized water as a Blank.

what is procedure of actual procedure for registration of drug?

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what type of question will ask in the interview of lab chemist.

3365

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all types of questions asked at the cipla interview

4722

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what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

9298

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How to determine water content of bis tetrazole amine mono ammonium salt

3530

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Principle of single pan analytical balance

5196

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why holium oxide prepared in 10% HCLO4 SOLUTION

1498

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How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

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While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

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what is the principle involved in turbidometry and nephelometry ?

4205

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Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1877

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how to qualify the impurity?

945

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if peak get problamatic then what require to do?

864

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which situation gc hs and gc als require to use?

840

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what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

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