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 Categories >> Sciences >> Chemistry >> Analytical Chemistry
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Question Asked @ Answers Views     Select
In performance Check of GC Why Hexadecane Peak is Considered     0  6
why we get only one peak in assay by hplc but in rs by hplc get more peaks    0  9
difference between quality and quantity    0  9
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language    0  7
How can you prepare 0.1% Phosphate buffer solution?    1  19
various methos to calculate precision in validation methods in HPLC?    0  12
acceptance criteria for lod & loq by standard deviation of response and slope??    0  10
how can you decide API molucule acedic or basic compound by test?    1  22
in hplc calibration injector linearity pass,it means inj and det is good. why to perform detector linearity is it required, if it is required,what is difference between injector and detector linearity in hplc calibration    1  29
IF WE INCREASE FLOW RATE RT DECRESE.WHY    2  36
Why using 0.5% acetone in methanol mobile phase for HPLC Gradient performance check. drl   1  43
How can you prepare 0.05M Ammonium acetate volumetric solution?    2  28
WHY KBr is used in IR Spectroscopy gvk   1  39
How to use RF and rrf in Rs calculation( either multiply or divide)? micro-labs   0  29
Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard msn-pharma   2  75
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Un-Answered Questions
 
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why we should take dst factor for below 1%moisture samples 225
Why irmoisture balance is used for corrugated box moisture testing 223
Why Ethanol is Used for Standardization of GC Head space? 626
in loss on drying Why follows on constant weight not more than 0.5 mg, any region 207
From peak purity spectrum, where or at which point peak purity angle & purity threshold is checked? 370
How you collect dissolution media while in stirring condition of a basket or a paddle? 256
what is separation techniques. 180
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR 750
how to calculate corelation coefficient in G.C Calibration? what is the calculation part? 159
how to calibrate hplc & gc 782
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid? 134
what type of questions asked on analytical balance and also give answers................all pharma companies? 598
why we are using benzene, anyline in acetic anhdride assay titration method? 170
How can I develope method of dissolution by HPLC OR UV 154
what is main use of primary standards in caliration 264
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