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 Categories >> Sciences >> Chemistry >> Analytical Chemistry       
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  Question  Asked @ Answers Views     select
Why does boiler drum ph maintain from 9.5 to 10.2 ahemdabad  0  4
What is difference b/w IR&NIR  0  7
why we make titiration of Iron with EDTA ? Cipla  1  14
why are using toluene in uv calibraion in resolution performance MSN-Pharma  1  22
Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)? MSN-Pharma  3  22
what is the balance drift? Torrent-Pharma  1  23
Why are using in Hi,zero air, Ni gass are used GC aurobindo  2  36
Principle of HPLC in one sentance Syngene  3  44
What is the Calcultion of S/N Ratio.  1  39
why inject diluted standard solution in related substance analysis by HPLC? Sun-Pharma  0  35
why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?  1  39
Why dst is used in kf for factor determination less than 1 Sun-Pharma   2  49
What is the Baseline in HPLC. Teva-API  1  59
what is difirence b/w ROI&ROE Pfizer  1  105
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I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason? 112  
As per ICH related substances stability trend limit from initial to shelf life 196 Micro-Labs
how we do assay of urea, ammonium sulpate, ammonium nitro pospate etc 222  
what is use in calibration of conductivitimeter? 124 Claris-Lifesciences
What is importance of pH in the Heavy metal test and How it effect on the test results? 114  
what is the purge flow & how to calculate 252  
what is the extinction coefficient for Indomethacin or at 319nm wave length. 898 GSK-GlaxoSmithKline
why we use polystyrene film for ftir calibration? 1455  
why using Potentometry What Purpose? differance between manual and potentiometry? why using Some of materials in usig potentiometry? What is use of mericuric acetate in Potentiometry 122 biocon
why phepolphthalene giving pink color when we titrate against to NaOH Solution ,giving colrless titrating aginsiting with acids? 202 Vimta-Labs
how you determine moist.of NaOH sol or NaOH flacks 204  
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