Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
450In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?
451Post New Analytical Chemistry Questions
What is the difference between purge septum flow and column flow in gas chromatography?
How to start the dissolution development for unknown tab?
How would you decide dissolution medium for NCE compound of class I drug
inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?
how to set sample and standard concentration in RS method?
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
how can I make the copper get white bye any salt or acit?
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
UV and PDA detector, which have less signal to noise ratio?
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
how will you do the prep for unstable componds?
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
in which situation ion pair agent require to use?
why does used dry caffien in HPLC calibration?
how can give the expiry period and restadardisation of volumetric solution
