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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 148591 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 12949In 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 7684Post New Analytical Chemistry Questions
Loss of linearity in tkn analysis, possible reasons?
for inorganic molecules require to do RS, Assay and disso?
What is intact assay method development.....?
when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?
What is the acceptance criteria for moisture balance when calibrated with sodium sulfate
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
what is mean by ambient temperature?
if you given one product then which tests you will perform?
A ha tc is actual defination of retention time?
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?
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...
how you start the solubility study?
