Why we don't add Hcl, HNO3, H3PO4 in residue on ignition, why we add H2SO4
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Because sulphates are more stable at 800 degrees when compared with chlorides and nitrates
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why we use only sucrose in the calibration of polarimeter?
why IR graph or spectra comes down ? Any reason
what is the difference between loss on drying in ordinary oven technique and vacuum oven technique
4 Answers Divis Laboratories, Ranbaxy,
What is normality
what is the lamp used in SOR?
which are the diffrent batches in the pharmaceuticals?
why plane of polarized light rotated by opticaly active compunds?
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
void volume is depending on column or not? if yes how will you depend?
how to regulate noise in HPLC?
2 Answers Alkem Labs, Vimta Labs,
Why forced Digradition Study is done
Organic Chemistry 
