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



In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%...

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

In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%...

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

In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%...

Answer / santosh kumar bariki

it may contains inorganic impurity or water

Is This Answer Correct ?    3 Yes 3 No

Post New Answer

More Analytical Chemistry Interview Questions

effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

0 Answers  


What is diffrence between extractable volume and deliverable volume? Answer pls

0 Answers  


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?

1 Answers   Lupin,


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?

2 Answers   Nakoda Chemicals,


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

1 Answers  


WHAT IS THE USAGE OF REFRACTIVE INDEX IN PHARME FIELD

3 Answers  


how you fix the limits of impurities?

0 Answers  


calibrtion procedue of LC-MS

0 Answers   GVK, Matrix,


What is the difference between bulk property detectors and Solute property detectors vivimed labs limited

3 Answers  


what king of work is done in Regulatory Affairs in Pharma industry ?

3 Answers   Quintiles,


Categories
  • Organic Chemistry Interview Questions Organic Chemistry (342)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1387)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (190)