what is the difference between melting range & melting point? Which is more significant?5 21381
How to now that my acid is contact with base or base is contact with acid in drugs, is there any techniq to identify the formation of salt(drug)2 4235
what is least count of a balance? How we find out this? Any formula for least count of Analytical balance?11 60805
Explain about Low pressure gradient and High Pressure gradient systems in HPLC?4 18598
what is protocol ? plz Explain me5 7701
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?1674
HPLC Calibration was done in Reverse Phase, but not in normal phase why explain?11 21891
what are the standard methods for HPLC?1369
What is the procedure for investigation of an OOS (Out of specification) results?4 14221
what is procedure of actual procedure for registration of drug?
What is the acceptance criteria for moisture balance when calibrated with sodium sulfate
what is weight veriation in pharma industry ? plz explain me
What is the difference between spectro meter and spectro photo meter?
what is the principle involved in turbidometry and nephelometry ?
How to estimate potassium?
In partical size by malven,which parameter is generlly change for development of dry and wet method.
How can we determine Moisture content of HI?
As per ICH related substances stability trend limit from initial to shelf life
What is importance of pH in the Heavy metal test and How it effect on the test results?
why we should take dst factor for below 1%moisture samples
How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
Why we check moisture,ash & AIA in product
why disodium tartarate used in karl-fischer instrument ?.