WHY pKa value is more important than pH value of the mobile phase in HPLC?
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what is the lamp used in SOR?
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 ?
How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium
Explain in detail what are the procedure and calculations involved for accuracy (%Recovery)in method validation?
Definition of beers_ lamberts law
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Near infrared Principle
%lod always grater than %water content for same product??
In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?
What is the difference between known and unknown impurities?
stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?
why plane of polarized light rotated by opticaly active compunds?
how to prepare low ppm solution from high ppm solution ?