Interview Questions Answers in Analytical Chemistry, Chemistry AllOther, Organic Chemistry

shankar dhongade

{ City } goa
< Country > india
* Profession * qc officer
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Questions / { shankar dhongade }

Questions Answers Category Views Company eMail

what is difference between moisture contents and water contents ?

Cipla, Hetero, USM,

12 Analytical Chemistry 59486

What is the limit for single maximum impurity limit as per USP??

1 Analytical Chemistry 1912

Answers / { shankar dhongade }

Question { PIL, 46506 }

why do you use water & Disodium tartrate in karl fischer?

Answer

DST never absorb water mal.at room temp.& hence its factor never changes while calculating Moisture content

Is This Answer Correct ?

27 Yes

6 No

Question { Dr Reddys, 22589 }

how can you define the PH

Answer

The conc. of hydrogen ions present in the solution at that instant& equal to agative logaritham of hydrogen ion

Is This Answer Correct ?

6 Yes

0 No