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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is classification of elemental impurities? what is risk assement in elemental impurities?

14

what are risk assement in the analytical qbd?

16

why multimedia dissolution require to do?

10

in OSD forms require to use gas chromatography?

3

why require to do water content for drug product?

16

before starting analytical method valodation what you checking? and how giving preference to start validation?

7

in which situation ion pair agent require to use?

9

effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

12

if you given one product then which tests you will perform?

9

on the basis of bcs class how to proceed the solubility?

14

for which product require to do content uniformity? what is limit of cu?

9

how require to select dissolution media? what is discrimination?

15

if rsd failed then what require to do?

5

if peak get problamatic then what require to do?

14

how you confirm the assay method?

4


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Un-Answered Questions { Analytical Chemistry }

Why to use propyl paraben in HPLC gradient calibration

4343


How can we calculate offset value pH measurment

748


which situation gc hs and gc als require to use?

8


if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

14


why does used dry caffien in HPLC calibration?

1267






Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

1770


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

370


Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

12


WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

1360


calibrtion procedue of LC-MS

1800


what is mean by nitrosamine impurities?

23


Identify problem faced when mass spectroscopy is used with HPLC system ?

1192


How can I develope method of dissolution by HPLC OR UV

1644


CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

422


for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

4748