difference between calibration and validation
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why we use glass fiber filters use in some situation?
what you do when compound having dwel wavelength?
In which situation we require to analytical method validation of excipient?
why digestion require in icpms?
In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
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?
which situation gc hs and gc als require to use?
in which situation ion pair require to use?
Why we use potassium dichromate in uv calibration Exact reason behind it??
Colorimtry
Basic principle of ESI?