In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%.
Answers were Sorted based on User's Feedback
Answer / shakir
when the chromatographic purity is not matching with assay purity then go for the reference or working standard what u used and see the certificate of purity,,,and conclude that weather it is available in the salt form or base form.
Is This Answer Correct ? | 12 Yes | 2 No |
Answer / amol potdar
1 Chromatogrphic purity is the chromatgram obatin by the sample.
2. assay is compaire with the standard of known assay value.
Is This Answer Correct ? | 4 Yes | 0 No |
Answer / santosh kumar bariki
it may contains inorganic impurity or water
Is This Answer Correct ? | 3 Yes | 3 No |
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
What is diffrence between extractable volume and deliverable volume? Answer pls
why we are used 4,7,9,2 buffers for the ph calibration
4 Answers Aurobindo, Enaltec Labs,
What is the name of the detector used in TOC?
what is dwell volume in HPLC?
2 Answers Aurobindo, Cadila, Strides, SUN, Sun Pharma,
stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?
1)why use benzophenon,uracil in hplc calibration. 2)why use sucrose in polarimeter calibration. 3)what is S/N ratio, noise and drift in hplc 4)how we can find lod and loq in method validation
WHAT IS THE USAGE OF REFRACTIVE INDEX IN PHARME FIELD
how you fix the limits of impurities?
calibrtion procedue of LC-MS
What is the difference between bulk property detectors and Solute property detectors vivimed labs limited
what king of work is done in Regulatory Affairs in Pharma industry ?