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How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.
2 9059Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV calibration?
5 53128What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
2685What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.
4 21280Post New Analytical Chemistry Questions
Please give idea about method development for cleaning method and how maco level establish
acceptance criteria for lod & loq by standard deviation of response and slope??
in api coa contains only process impurities and in product coa contains degradation impurities?
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
in which situation require to use paddle and basket?
Which is the highly polar and highly non polar column in HPLC?
If vendor having more imp than monograph then how to proceed? and how to set spec?
if rsd failed then what require to do?
What is viod volume and peak purity in HPLC?
how can give the expiry period and restadardisation of volumetric solution
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
mode of absorption in alimentary canal?
What is similarity factor?
