Answer Posted / k v ravikishore
Take 6.8g of potassium dihydrogen phosphate (KH2PO4) and dissolve it in 1000mL of water by stirring and add 0.9g of NAOH mix it well. it will shows exactly pH 6.8 no need to adjust pH with other chemicals........
| Is This Answer Correct ? | 44 Yes | 8 No |
Post New Answer View All Answers
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
How require to perform linearity as per ANVISA? What are the acceptance criteria?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
Why perchloric acid used for potentiometric titration
UV and PDA detector, which have less signal to noise ratio?
what is classification of elemental impurities? what is risk assement in elemental impurities?
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.
why require to do water content for drug product?
What is the difference between chromatographic purity and related substances?
What is Band broading effect explain
In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
WHAT IS THE USE OF STARTER ?????????
What is the use of tlc and hplc? And when and where use?