What is mineral water?

1122

we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1928

please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

1693

what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?

2731

For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

1970

What is the reaction that occurs between iodine and sodium thiosulphate?

1102

in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

786

How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

3405

How are the waters classified based on the degree of hardness?

1192

How many moles of sodium hydrogen phosphate can be prepared from 3 mol of sodium hydroxide and phosphoric acid?

2447

What is the composition of Barford Reagent?

2191

what is mean by dissolution hydrodynamics?

893

which situation gc hs and gc als require to use?

842

hi, i want last 10 years ongc exam recruitment papers for subject in chemistry ,genaralknowladge.

2861

acceptance criteria for lod & loq by standard deviation of response and slope??

2646