why we are using hexane in calibration of number of drop per mL
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why phenolpthalin gives pink colour when we titrate aganist sodium hydroxcide & phenolpthalin gives colourless titrate aganist hydrochlric acid which is un burate
what is the difference between Hydrochloric Acid & Hydrogen chloride
what is difirence b/w ROI&ROE
why we should take dst factor for below 1%moisture samples
What is difference between" LOD" AND "VACCUME LOD"
What is the major difference b/w Drift and Noise
In GC Why does retention time decrease when temperature increases? Also how does a change in temperature effect selectivity?
what is poarimeter, why it is used in pharma,and explain briefly about polarimeter?
about analytical chemistry
why chiral separation?
I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?
How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.