what does optical rotation and specific rotataion means,difference between them

8 Answers   CPL, Neuland,

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Why use the Omeprazole as a reference standard to estimate the assay of esomeprazole by HPLC method

1 Answers   Student,

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I got 88.0 % assay for a drug in HPLC analysis for same injection i got 40.0% related substances is it possible? what is the relation between results of assay and purity?

5 Answers  

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0 Answers  

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what is optical active and non active give examples?

1 Answers   GVK,

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What is the lab normality??

3 Answers   DRL, Tagros,

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What is difference btw UV detector & RID detector

4 Answers  

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what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?

1 Answers   GVK, Millennium,

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iam usig ph buffers merk. manually how to prepare ?

0 Answers  

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Qc interview questions

0 Answers   Apotex,

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analytical method validation require to with respect to release specification or shelf life specification?

0 Answers  

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How to start the dissolution development for unknown tab?

0 Answers   IPCA,

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