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What is principle of Polarimeter?
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why we are using buffer solutionas as a mobile phase in hplc.
what is the need of calulation of RRF of impurity in HPLC analysis?
Dear Sir, This is Thirunavukkarasu am working in Ordain Health Care AR&D, Am Having one problem While doing method development my question Metadoxine and Pyridoxine same chemical nature and structural activity i tried lot of methods but Analyte eluted same Retantion time i cant separate both peaks. solubility, pH both are same only only difference melting point metadoxine 210 C Pyridoxine 102 C please do the help needful for me
What is the diffrence in japan mkt requirement in analytical method validation over US?
If we have a kc is1*10^8 and the .kp 2*10^5 of reaction A------->B C------->D what is the volume of C?
what is Hilic chromatography?
What is void volume & dead volueme
why we get negative values in uv when i placed sample which has some concetration but not in standard
what is dissolution What is unit of KF? what is the significant of pH in HPlc? WHY POTASSIUM HYDROGEN PTHALATE IS USED FOR PERCHLORIC ACID? What is difference btw UV detector & RID detector?
What is Delay & Dead Volume
What is use of LOD and LOQ in validtion and give range and in calculation why we use 3.3* LOD here why we use 3.3
2 Answers Dr Reddys, IPCA, Reddy Labs,
what is specificity?
4 Answers Amneal Pharmaceuticals, Aurobindo,
Organic Chemistry 
