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 Categories >> Sciences >> Chemistry >> Organic Chemistry
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Question Asked @ Answers Views     Select
whenever kf titration is done that time one result is high and second one lower ¬†results what to do.    0  19
why we use 254nm for caffeine analysis as it having maxima at different wavelength?    0  15
why we not use caffeine at 205nm for hplc calibration?    0  15
what are stereomers? how are they classified?    0  23
ex:this product used c18 column but same product used c8 column what happend ?    1  53
uv,ri,pda detactor principles ?    0  27
hplc assay limit 98.0 to 105 why    1  59
why are prepare daily working standard in ft ir    0  52
Why a Na lamp is used in a polarimeter ?    0  44
hardness of distilled water capl   1  86
why antharacene use hplc calibration itc-infotech   0  47
Purified water Microbial load limits as per USP..........?    1  74
what are the checklist need to maintain in API manufacturing area as per USP requirements.......?    0  58
What is the accepted microbial load in APIs as per USP.........?    0  65
what is functionality of polymer? how can we get theoretical and practically? atul   0  77
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Un-Answered Questions
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seminal on pyrimidine 331
In order to avoid the pyridine catalyst use in many synthesis which is harmfull to environment, which catalyst can be used....? 241
what is the purpose of using cyclhexane in synthesis? 560
How to synthesize methylene bisthiocyanate using CH2Cl2 and NaSCN? 477
how to prepare the 0.001M tio2 253
wtat type quations will be sak in ongc exam? 780
What is a repartition coefficient? 363
which question ask me in grasim in inerview? 315
what are the checklist need to maintain in API manufacturing area as per USP requirements.......? 58
Why we are use glass viscometer, and what is calculation manual calculation formula as per USP. How many types of viscometre in glass type viscometer. 284
Is LOD and LOQ values differ for different substrat (eg milk, tissue, egg etc.) for same compound (eg pesticide flumethrin)in same instrument(eg GC)? 373
how much time require for day to prepare the ongc exam for evarage student? 692
Which form of Sucores is harmfull to humans ? 350
How would you separate naphthalene and benzoic acid in an ethyl acetate solution? 1107
why we need to synthesize impurities of midazolam 191
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