suresh


{ City } baddi
< Country > india
* Profession * chemist
User No # 77058
Total Questions Posted # 2
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Questions / { suresh }
Questions Answers Category Views Company eMail

perchloric acid&glacal acetic acid both are acids but reaction is complete in volumetric titrations.how?

 1 Analytical Chemistry 10385

acetic acid is weak acid & perchloric acid is strong acid.but how perchloric acid is soluble in acetic acid

AVT, Hetero,

3 Analytical Chemistry 10352



Answers / { suresh }

Question { 32348 }

what is the difference of use of LOD test and Karl Fischer
titra.?


Answer

in kf test we can determine water content when compound has
below 60 degree melting point.

In LOSS ON DRYING we can determine organic volatile
impurities& water content of drug substance.

Is This Answer Correct ?    5 Yes 1 No

Question { Ranbaxy, 50056 }

Why 1.2% KCl is used for limit of stray light? and why
limit of stray light is required in UV calibration?


Answer

kcl is primary standard&it has high penetrating power.

Is This Answer Correct ?    12 Yes 23 No


Question { Cipla, 24475 }

What is (Q) point dissolution?


Answer

The amount of API dissolved in media with in the specified time.

Is This Answer Correct ?    3 Yes 2 No

Question { 14758 }

Why dissolution apparatus having 8 jars ?


Answer

for replacement of withdrawn volume,when u are perfoming
the profiles.

Is This Answer Correct ?    11 Yes 4 No