What is the difference between chromatographic purity and related substances?
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Why we show ammonia vapours to tlc plate?to which compounds?
water is more polar than acetonitrile.but in reverse phase chromatography peaks elute earlier when we increse Acetonitrile.what is the reason.
In rs method development when we are going area normalization method to dilute standard method?
What is gelatinization?
why we want incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ? What is the use to incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ?
Is sonication essential in solubility testing of a drug substance?
Why use the Omeprazole as a reference standard to estimate the assay of esomeprazole by HPLC method
in OSD forms require to use gas chromatography?
what does pH stand for?
Why we are using K2Cr2O7 for control of absorbance in UV?
How to Prepare Dilute Sodium hydroxide solution?
In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?