Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...

Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

Difference between uv detector nd RI DETECTOR? wt s the difference between OVI Solvents nd residual solvents incase of GAS CHROMATOGRAPHY? nd wt s its detection limit?

3 13709

on what basis SOP's can be changed? IF mobile phase ratio is 70:30 to how much % can we change the ratio in HPLC process

Cipla, Ranbaxy,

7 14042

Why caffeine as a reference standard used for calibration of HPLC?

Gangwal Chemicals, Orchid,

11 50662

What is the composition of K.F

IPQA,

6 38860

What should be the precision for HPLC during technology transfer?

3 7988

how do start hplc method development? how much sample required for developing the method development?

BMS, Cipla, Indoco Remedies, Sun Pharma,

3 49992

Wt s the use of linearity in HPLC method validation

4 14078

which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?

Hetero, Mylan,

1 7501

Why will a solution of aspirin without acid or basic hydrolysis give yellow colour with a solution of Ferric chloride?

1 4561

Why do we use 0.005M h2so4 solution for preparation of k2cr2o7 solution for UV calibration?

Jubilant, Medreich, Mylan,

3 22865

In HPLC what is Single point threshold, peak purity index and minimum peak purity index? what should be consider for pure peak.

3 27925

why the sucrose used in calibration of polarimeter

Neuland,

5 13847

what r the parts calibrated in gc

ELBS, Reddy Labs,

21 30150

acceptance criteria for ph meter, hplc detector,pump,injector,oven when we calibrate.

3 22388

is there any material other than caffene to calibrate hplc detector

Biocon,

13 23697


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

from where i get mortar pastle for glass bottle crush? it's required for testing of it?

1499


which are the diffrent batches in the pharmaceuticals?

136


For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

934


UV and PDA detector, which have less signal to noise ratio?

459


please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

930






IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

1813


While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

2050


what is the principle involved in turbidometry and nephelometry ?

3404


Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

1197


AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1441


Why perchloric acid used for potentiometric titration

1951


why are measure gas flow " ml " in Gas chromatography

974


Why only 1.2 million lux hours require in photostability study?

119


Qc interview questions

1073


calibrtion procedue of LC-MS

1892