Why to use propyl paraben in HPLC gradient calibration

6055

How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium

1970

What is hybridyzation ? How can i find that which type hybridyzation in perticular compound like in CH4(hy is sp3).

3408

Write the chemical formula for epsom salts?

612

what is the extinction coefficient for Indomethacin or at 319nm wave length.

3506

What is the accepted microbial load in APIs as per USP.........?

2004

AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1596

in hplc chromatogram started from left to right and in uv spectrum started from left to right

455

Explain acid gas?

580

how will you do the prep for unstable componds?

1428

In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?

1799

Do all explosions produce carbon dioxide or carbon monoxide?

609

Can a Nascent Hydrogen be used for fuel cell without damaging the equipment and if so how good would it be compared to other type of hydrogen.

1723

what is the difference between potentiometric titration and karl fischer titration?

2398

What is electrode potential? : Electrochemistry Corrosion

575