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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is lod and loq

3 11500

what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?

Wockhardt,

3628

What is the b/W dead volume and dwell volume ?

2 14403

why r u using hplc grade solvents

4 12739

Why do we use sodium salicylate for Calibration TLC Cabinet U.V Lamps

Matrix, Spar Labs,

3 24594

How do you show that equal quanitities of two isomers provide the same response using a PDA

1 6222

what is GLP? Which industries it requried?

Aurobindo, AXIS Clinicals, GVK,

1 12438

How can we separate Urea & semicarbazide in single HPLC method ?

2 7186

What is the calibration procedure for Malvern MS2000 particle size analyzer and acceptance criteria?

Reddy Labs,

2 6008

why we can use only 4 and 7 and 9 buffers in pH calibration

Chola, Cipla,

1 5274

How to do regeneration of Metacarb Pb plus column?

2532

we calibrate HPLC once in 6 months while iam doing calibration i came to know that calibration was failed. then how can i justify that the samples analyzed on the system during this 6 months was wright? how can i forward in to the next step for those batches?

5 12617

What is the solvent/material used to balance spirit level in analytical balance?

Glenmark, MMC Health Care,

5 13572

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 6253

why do we use around only 60 mg of K2cr2o7 in the UV calibration -control of absorbance test?

Reddy Labs,

3 14222


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

How to set analyticl specification for combination products?

695


on saturation solubility study data how we can find out the bcs class of drug?

847


what is mean by covalidation

744


What should be the level/ Percentage of Arsenic in Arsenic free zinc.

2187


what type of question will ask in the interview of lab chemist.

3277


If vendor having more imp than monograph then how to proceed? and how to set spec?

871


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

2242


How we choose the mobile phase for method development.?

1176


which are the sizes of capsules?

909


What is rs test why we are performing rs test?

1821


What is the principle of Thermal conductivity detector and FID?

2692


how will you do the prep for unstable componds?

1982


which batch require to use for analytical method validation?

758


Why six unit used for precision?

1281


What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

7487