Gagan Deep

viscosity density karl fischer titration volatile content ash content moisture value evaluation cosmetics ion selective electrodes electrodes potentiometric titrations potentiometry microbiological assay microbial assay vitamin b12 vitamin b6 assay of vitamins drug degradation degradant characterization degradation permitted synthetic food colorants food colors lakes dyes recombinant dna technology polymerase chain reaction pcr taq polymerase dna polymerase