Abhishek Raj

16 Questions 39 Answers 0 Followers

Questions related from Abhishek Raj

Can we change USP method to In House method?

Can we change USP method to In House method for carrying out the assay of any particular dosage form?

11 November 2017 2,666 1 View

What is the difference between moisture content and water content?

04 April 2016 4,364 4 View

What is the effect of injection volume in HPLC?

If we increase or decrease the injection volume in HPLC will it make any difference in the retention time of the peak?

04 April 2016 2,297 2 View

Why do we use methanol as a solvent in KF standardisation? Why not other solvent?

04 April 2016 7,364 0 View

Why do we inject a standard 6 times for Related substances by HPLC and 5 times for Assay?

04 April 2016 729 0 View

Is there any material other than caffeine to calibrate the HPLC??

04 April 2016 7,296 4 View

Why do we inject sample twice in ASSAY by HPLC analysis but in RS once?

04 April 2016 3,656 0 View

What is the function of end capped column in HPLC? How can we confirm the HPLC column is end-capped or not?

What is the function of end capped column in HPLC? How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

04 April 2016 6,054 1 View

Which is the best solvent used for washing of HPLC columns and in what concentration?

03 March 2016 9,419 6 View

For how many days a mobile phase for HPLC can be stored?

If any mobile phase contains a mixture of organic solvent and buffer, then for how many days can we store it for using it again and again? Also, if the mobile phase contains only the mixture of...

03 March 2016 7,944 8 View

Does anyone know of an assay method for Salmeterol Xinafoate and Fluticasone Propionate DPI by HPLC method???

I'm trying to develop assay method for Salmeterol and Fluticasone DPI, a product similar to Seroflo rotacaps, CIPLA. Has anyone worked or developed assay method for this product before? Please...

03 March 2016 1,399 1 View

What are the recent medicines used for anti retro viral or AIDS?

What are the recent medications used in HIV AIDS? Has there been any progress recently for the cure of this disease??

03 March 2016 2,912 1 View

Formula for calculation of % assay of any particular drug by HPLC?

What is the general formula for calculation of % of drug content in any particular dosage form by HPLC method? Each pharmacopoeia and Individual product monograph has their own different formulae...

02 February 2016 9,978 9 View

Why is 70% Acetonitrile used for washing the HPLC Columns?

Is there any reference for using 70% acetonitrile for washing the columns of HPLC system?

02 February 2016 855 0 View

How can I formulate a stable Aceclofenac Gel?

11 November 2015 3,294 9 View

What is the ideal pH range for ointments and creams for topical application?

Please suggest for safe and stable pH range for ointments and creams.

06 June 2015 1,156 2 View