Why potassium hydrogen pthalate is used for perchloric acid And naoh. Why it is used for both acid and base6 21068
is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.2 8621
how would you determine the acceptance criteria for cleaning validationof product A for product B?1 5298
How can we konw that the HPLC column is endcapped? Is it possible to identify visually without COA?2 7190
IN DISSOLUTION S1 STAGE 1 BOWL GOT 52%(Q POINT IS 80%)WHAT WE HAVE DO9 9541
what is the meaning of PURITY AND POTENCY .what is the difference between PURITY and POTENCY5 20770
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.1015
What is the difference between Primay and Secondry Standard ?6 44828
why we have to store the pH electrode in 4.01 buffer ?1 4557
if you have given a blank water how you analyse by general analytical techniques?
How to choose concentration of LOQ solutions for RS analysis? Example.
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
In performance Check of GC Why Hexadecane Peak is Considered
How to start the dissolution development for unknown tab?
What is column in chromatography?
Why potassium dichromate is used in calibration of uv?
function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
process of Diclofenac sodium,IP.
What is intact assay method development.....?
What is viod volume and peak purity in HPLC?
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
why are measure gas flow " ml " in Gas chromatography
iam usig ph buffers merk. manually how to prepare ?