How to choose concentration of LOQ solutions for RS analysis? Example.

702

How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

2362

How to check hplc detecter sensitivity?

185

why we use sodium salicylate in uv light calibration at TLC chamber

4760

What are modes of quantification in related substances

839

USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

505

what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

645

While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

898

Why sodium hydroxide used for maintain pH of phosphate buffer

860

What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

241

Why Ethanol is Used for Standardization of GC Head space?

2564

what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

633

How can the GC or HPLC method is selected to determine the impurity profile in drug product?

5304

In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

921

what type of questions asked on analytical balance and also give answers................all pharma companies?

5715