What is GF254 means in TLC plate?1 261
What is NPOC method in TOC?1 308
What are the class-1 residual solvents listed in ICH guidelines?1 374
What does theoretical plates number mean?1 333
Why red HgI2 added during starch preparation?1 414
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
what are the standard methods for HPLC?
2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.
What is the difference between purge septum flow and column flow in gas chromatography?
How to check hplc detecter sensitivity?
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
give clarity of linearity and range in method validation
how the compound separate in coulunm,explain
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
what type of question will ask in the interview of lab chemist.
what is definition of validation? which components are followed give detail?
why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?
what is %labelled amount in content uniformity of dosage unit and its calculation?
Difference between hlaf and rlaf