What are modes of quantification in related substances
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what is difference between IR & FTIR ? how we calibarte both ? I want to know the procedure.
Which detector is used in uv-vis spectrophotometer?
What is normality
Why dissolution test apparatus calibration with salycilic acid tablets was stopped by FDA&USP from the year of 2009?
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
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.
Which buffer is used for LC/MS mobile phase & at What Conc.
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
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how to hplc calibrated
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
full name of OOS & OOT ? Dercribe it with details ? why this is needed in pharma industry ?
What is the diffrence in japan mkt requirement in analytical method validation over US?
Organic Chemistry 
