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?

10 November 2017 2,438 1 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?

03 April 2016 2,093 2 View

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

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

03 April 2016 375 0 View

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

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

03 April 2016 3,447 0 View

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

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

03 April 2016 7,188 4 View

What is the difference between moisture content and water content?

What is the difference between moisture content and water content?

03 April 2016 3,662 4 View

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

03 April 2016 5,900 1 View

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

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

03 April 2016 7,143 0 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...

02 March 2016 7,805 8 View

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

02 March 2016 9,166 6 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

No title

03 March 2021 5,360 2 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 View

I need dataset for recommandation system?

Hi every body I need to collect datasets from different source to work on recommendation system algorithms, could you advise me how collect data?

27 February 2021 7,063 7 View