1)why use benzophenon,uracil in hplc calibration. 2)why use sucrose in polarimeter calibration. 3)what is S/N ratio, noise and drift in hplc 4)how we can find lod and loq in method validation
1 138121 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv
3 11611In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?
2 6562Post New Analytical Chemistry Questions
Difference between hlaf and rlaf
if tech transfer fails whay require to do?
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
in api coa contains only process impurities and in product coa contains degradation impurities?
how to develop the icp ms method? Application of icp ms?
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
could negative ions be produced by bombardment process in mass spectrometry?
before starting analytical method valodation what you checking? and how giving preference to start validation?
What is the diffrence in japan mkt requirement in analytical method validation over US?
in stress study if your api not soluble in hcl naoh h2o2 then what require to do?
What is the difference between purge septum flow and column flow in gas chromatography?
identification is for unknown? qualification for known? reporting for LOQ?
can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?
How would you decide dissolution medium for NCE compound of class I drug
what are risk assement in the analytical qbd?
