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 Categories >> Sciences >> Chemistry
 
  Organic Chemistry (233)   Inorganic Chemistry (96)   Analytical Chemistry (921)   Physical Chemistry (57)   General Chemistry (289)
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Question Asked @ Answers Views     Select
Is it required to inject 6 injections for % RSD of a system suitability in lc or gc    0  4
In performance Check of GC Why Hexadecane Peak is Considered     0  17
why we get only one peak in assay by hplc but in rs by hplc get more peaks    0  18
difference between quality and quantity    0  17
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language    0  12
How can you prepare 0.1% Phosphate buffer solution?    1  31
various methos to calculate precision in validation methods in HPLC?    0  18
acceptance criteria for lod & loq by standard deviation of response and slope??    0  15
how can you decide API molucule acedic or basic compound by test?    1  36
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  40
What can you contribute to the company?    0  18
IF WE INCREASE FLOW RATE RT DECRESE.WHY    2  48
why are prepare daily working standard in ft ir    0  26
Why using 0.5% acetone in methanol mobile phase for HPLC Gradient performance check. drl   1  56
How can you prepare 0.05M Ammonium acetate volumetric solution?    2  37
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Un-Answered Questions
 
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how to calibrate hplc & gc 786
plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration 182
How you start the method development of unknown compound. 35
how can we decide the limit of cleaning validation? What is the criteria for it? 1484
what is the difference between elctrefining and electrolysis? 230
why bottles of Hazardous chemicals or solvent are available in round shaped only? 223
What is the difference between the photochemical reaction and photo-dynamic reaction? 230
Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not? 132
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil? 123
What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media) 759
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used? 632
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately? 225
what is meaning of wet analysis. 190
what type of questions asked on analytical balance and also give answers................all pharma companies? 605
seminal on pyrimidine 326
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