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 Categories >> Sciences >> Chemistry >> Analytical Chemistry       
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  Question  Asked @ Answers Views     select
How to use RF and rrf in Rs calculation( either multiply or divide)? Micro-Labs  0  5
Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard MSN-Pharma  2  23
How to determine water content of bis tetrazole amine mono ammonium salt  0  14
How you start the method development of unknown compound.  0  17
how to develop the shorter run time for pharmacopeial methods having 100 min run time? Reddy-Labs  2  24
For LOD and LOQ determination which method is accurate? (slopemethod or s/n ratio method) Reddy-Labs  0  17
how can you determine a compound acidic or basic? cipla  0  19
What is the definition of water content or moisture content,what is the procedure going on w.c amalysis?    0  20
Why does boiler drum ph maintain from 9.5 to 10.2  1  33
What is difference b/w IR&NIR  0  30
why we make titiration of Iron with EDTA ? Cipla   1  46
why are using toluene in uv calibraion in resolution performance MSN-Pharma  1  58
Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)? MSN-Pharma  3  59
what is the balance drift? Torrent-Pharma  1  57
Why are using in Hi,zero air, Ni gass are used GC aurobindo   3  69
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Un-Answered Questions
 Question Views Asked at   Select
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ? 544 Orchid
what is the extinction coefficient for Indomethacin or at 319nm wave length. 910 GSK-GlaxoSmithKline
During Validation study, Recovery is passing at all levels but Linearity is failing. Justify? 412  
how we do assay of urea, ammonium sulpate, ammonium nitro pospate etc 222  
mahagenco syllabus for the post of chemist 1118 MahaGenco
sop of a uv visible spectrophotometer double beam elico model 1282  
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity? 897  
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain 285 Vimta-Labs
What is viod volume and peak purity in HPLC? 323  
Why 1800 ml of dissolution media used In Carbamazepine ER USP Tablets But other drug only 900 ml Media Used ? 189 Torrent-Pharma
what is difference between IR lamp and polarimeter lamp 383  
what is the meaning of stress study? 121 Reddy-Labs
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