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In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
3178Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?
7 19483When we r doing processing method for sst in Empower software by HPLC, What value has to give in void volume and as per which pharmacopia!
5 15273is a bonded water molecule in an organic material can be easlisy and accuractly determined by KF rather than LOD
2 7775What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?
LOIL,
1 5273Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
2865mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)
1 3779Post New Analytical Chemistry Questions
what you do when compound having dwel wavelength?
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
if content uniformity passing but dissolution varrying then what is next step?
why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?
how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,
What is dose dumping? why require to do?
How much is the standard area for glc analysis
calibrtion procedue of LC-MS
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
What is third generation HPLC Columns?
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
what is third integration
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
