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Sciences AllOther (161) 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
5 9758some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
2663why some samples are taking 500mg for water content and some samples are taken 2g for water content?
1 8933I completed my BSc in biotechnology and now in a dilemma what to choose next.My goal is to earn more so can anybody guide me the next step of my life which leads to my goal?
2329on 21st march and 23rd september 1.the direct rays of the sunfall on the equator. 2.the slanting rays fall on the equator. 3.only the northpole is tilted towards the sun. 4.only the south pole is tilted towards the sun.
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