In IR spectra, generally a molecule vibrates without apply emr or ir light?
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Colorimtry
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
How do we fix the sample concentaryion in hplc method development?
how to prepare low ppm solution from high ppm solution ?
mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)
key components in gas chromotagraphy.
Shall i use a same hplc column for two different products.?
Why we more noise in PDA detector compared to UV detector?
What is Formula of Potency calculation on Dried basis, As is basis& Anhydrous basis.
if partition coefficient value was positive means, what it indicates ?
Why we use holmium oxide,perchloric acid for uv/vis calibration
4 Answers Cipla, Orchid, Ratiopharm,
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...