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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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i want to know about headspace and interview question on headspace
1 Answers Srikem Laboratories,
What is stray light in uv what are units for stray light
Why potassium dichromate is used in calibration of uv?
How NMR spectra can be calibrated in presence or absence of TMS?
What is cut off value of solvent used in hplc
why we conclude the area% for the chromatographic purity?
1 Answers Amneal Pharmaceuticals, Lupin,
why potassium dicromate use in calibration of UV VIIBLE SPECTROCOPY ?
how to pepare 6.8 pH phosphate buffer
What is quality controle.
what is the d/f b/w normality and molarity and molality..?
why in GC calibration of linearity regression coefficient should not be less than 0.999
Why six unit used for precision?
Organic Chemistry 
