Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2834

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?

2709

What is the use of tlc and hplc? And when and where use?

1104

What is the difference between spectro meter and spectro photo meter?

11353

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2832

what is procedure of actual procedure for registration of drug?

1961

how much mass should be there in volumetric flask while in preparation of sample for assay? 

2516

What is a difference between potency and purity?

1156

4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

2663

Why irmoisture balance is used for corrugated box moisture testing

2360

what is %labelled amount in content uniformity of dosage unit and its calculation?

5139

[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

711

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.

2174

how can give the expiry period and restadardisation of volumetric solution

2530

Why use only methanol,used determinationof moisture content not use other solvents

1362