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Identify problem faced when mass spectroscopy is used with HPLC system ?
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.
Why six unit used for precision?
Tell me about analytical method validation in QC
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
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 split ratio in Gc? Splitless? how requirr to select?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
Why potassium dichromate is used in calibration of uv?
How to set specification of assay, fisdolution and related substances?
Colorimtry
why holium oxide prepared in 10% HCLO4 SOLUTION
Is it nessesary all multimedia dissolution require descriminatory?
how require to interprit the method precision data of hptlc?
Many times I don't got a caffeine peak in calibration of hplc using guard column ❓
