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 Categories >> Sciences >> Chemistry
 
  Organic Chemistry (233)   Inorganic Chemistry (96)   Analytical Chemistry (920)   Physical Chemistry (57)   General Chemistry (289)
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Question Asked @ Answers Views     Select
In performance Check of GC Why Hexadecane Peak is Considered     0  8
why we get only one peak in assay by hplc but in rs by hplc get more peaks    0  11
difference between quality and quantity    0  10
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language    0  9
How can you prepare 0.1% Phosphate buffer solution?    1  21
various methos to calculate precision in validation methods in HPLC?    0  14
acceptance criteria for lod & loq by standard deviation of response and slope??    0  12
how can you decide API molucule acedic or basic compound by test?    1  24
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  32
What can you contribute to the company?    0  14
IF WE INCREASE FLOW RATE RT DECRESE.WHY    2  37
why are prepare daily working standard in ft ir    0  22
Why using 0.5% acetone in methanol mobile phase for HPLC Gradient performance check. drl   1  45
How can you prepare 0.05M Ammonium acetate volumetric solution?    2  29
WHY KBr is used in IR Spectroscopy gvk   1  41
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Un-Answered Questions
 
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what is weight veriation in pharma industry ? plz explain me 209
How can be set a responds factor for evaluating a unknown impurity by HPLC 383
what is the purpose of using cyclhexane in synthesis? 539
How would you separate naphthalene and benzoic acid in an ethyl acetate solution? 1095
What are the tests used in Hplc?Name any two. 79
FDA MHRA 275
hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.but our company didn't give d OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents along with sample RESUME,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com 466
How much is the standard area for glc analysis 174
During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution. 715
wtat type quations will be sak in ongc exam? 763
why hexane is used for FID calibration in GC 374
what is motor rotation in case of sucrose 81
what is the purge flow & how to calculate 258
Q1. Why did you enter the field of chemistry? Q2. What has motivated you to take chemistry as your professional subject and have you motivated anyone towards your field? 233
sir, what does happen ............? naphthal+benzene(or)toluee........> ? 229
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