why hexane is used for FID calibration in GC
what is the difference b/w repeatability nd reproducibility ?
why we are using in ph calibrations ph4,7,9.2 buffers only?
How can the GC or HPLC method is selected to determine the impurity profile in drug product?
how can you do the analysis of compound given to u by hplc
What is the column performance and column efficiency?
what is LC - MS ? What its wide use in cro/pharmaceutical Industry
Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in TOC calibration?
If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?
How do you increase the number of theoretical plates?
What is the lab normality??
What is unit of pH?
I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?