Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Moisture content is 1.7%,Sulfated ash is 0.02%,Total impurities are 0.3%

Answers were Sorted based on User's Feedback



Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Mois..

Answer / venkata naveen talluri

It is not possible to tell the potency based on the assay value. Impurity profile from the related substances is used to calculate the potency.

potency=100-(moisture content+sulfated ash+total impurities)
=100-(1.7+0.02+0.3)
=100-2.02
=97.98
=98%

Is This Answer Correct ?    15 Yes 2 No

Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Mois..

Answer / minal

potency= 100- (Total Impurities in RS +Moisture+Residue on Ignition+Residual Solvent)

Is This Answer Correct ?    0 Yes 1 No

Post New Answer

More Analytical Chemistry Interview Questions

How to decide the standard concentration for related substances hplc method

1 Answers  


Why we don't add Hcl, HNO3, H3PO4 in residue on ignition, why we add H2SO4

1 Answers  


In UV-VIS spectrophotometer:My diluent is methanol even though i corrected base line for methanol,In my sample scan i found methanol peak.what is the reason?

2 Answers  


what is the basis of separation in chromatography?

1 Answers   Anthem,


What is third generation HPLC Columns?

0 Answers   Emcure,






What is (Q) point dissolution?

6 Answers   Cipla, Macleods,


why we use caffeine for hplc calibration?

5 Answers   Aurobindo,


Why chromic acid wash is not recommended by USP for glassware cleaning?

1 Answers   Lupin,


Why using 0.5% acetone in methanol mobile phase for HPLC Gradient performance check.

2 Answers   DRL,


what is the limit of Correlation for IR test compare to the standard and test

3 Answers   Nakoda Chemicals,


What is the Column Endcaping in HPLC ?

3 Answers   Aptuit Laurus,


How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.

2 Answers  


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)