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Organic Chemistry (342) - Inorganic Chemistry (123)
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Difference between uv detector nd RI DETECTOR? wt s the difference between OVI Solvents nd residual solvents incase of GAS CHROMATOGRAPHY? nd wt s its detection limit?
3 15986on what basis SOP's can be changed? IF mobile phase ratio is 70:30 to how much % can we change the ratio in HPLC process
7 17547why all the concentration of chemical species are measured using water as solvent (for examole 1N NaOH means 40 g of NaOH in one litre of water)eventhough there are so many solvents available?
1 4568how do start hplc method development? how much sample required for developing the method development?
3 52797which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?
1 9187Why will a solution of aspirin without acid or basic hydrolysis give yellow colour with a solution of Ferric chloride?
1 5779hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.i want sample RESUME,OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com
2335hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.but our company didn't give d OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents along with sample RESUME,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com
2911
analytical method validation require to with respect to release specification or shelf life specification?
What is the difference between the photochemical reaction and photo-dynamic reaction?
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
What is the range of uv & vis lamp in spectrophotometer?
when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
Define oxidation potential and reduction potential? : Electrochemistry Corrosion
Why are the titration involving edta carried out slowly towards the end point?
Define a triglyceride?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
why holium oxide prepared in 10% HCLO4 SOLUTION
Explain the chemical formula for dichromate?
pharma industries oriented
Does ethylene polymerize under mild conditions in the absence of a catalyst? : Polymer Chemistry
what is mean by nitrosamine impurities?
