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How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.
2 9060Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV calibration?
5 53132What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
2687What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.
4 21295Post New Analytical Chemistry Questions
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
What is the difference between chromatographic purity and related substances?
what is the extinction coefficient for Indomethacin or at 319nm wave length.
what is mean by extactable and leachable study?
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
why salisylic acid not using now days for disdolution calibration?
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?
what is the difference between potentiometric titration and karl fischer titration?
before starting analytical method valodation what you checking? and how giving preference to start validation?
calibrtion procedue of LC-MS
What is control room temperature and which guide line says?
what is the disso medium for tropsiun chloride
please explain about aluminium hydroxide assay
If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?
if you get peak in blank then what require to do?
