Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is dwell volume in HPLC?

Aurobindo, Cadila, Strides, SUN, Sun Pharma,

2 6568

what does pH stand for?

Orchid,

4 6922

Definition of beers_ lamberts law

Aarti Industries, Agio Pharmaceuticals, Emcure, Supriya Lifescience,

4 6569

Why monograph of hplc coming upperside of drift but in IR monograph coming in drift side?

1 3282

Why a1% value is used for some product ? What is the criteria for selection a1% value ?

Zim Laboratories,

1852

Why the ph limit (1_14) Is used?

Cipla,

3 6978

What is cut off value of solvent used in hplc

Pfizer,

1 5544

How to calculate mass balance in RS after degradation

Reddy Labs,

1 5066

if out of two set of results of moisture analysis first 1 is passing, second one is failing, is it oos ? or vice a versa first 1 is failing and second one is passing. for information mean value to be reported and in mean value the substance is ppassing, is it oos or normaal mean value to be considered?

JBCPL,

1 2908

Can we interpret accuracy from linearity in method validation?

Dr Reddys, Lupin,

1 2096

What is aggregate and fragments in SEC?

1563

how pyridine can be analysed other than GC?

1 3314

What is the calibration of uv process and preparation

Aurobindo,

1488

How to prepare 1000ppm methylene blue solution

2 18943

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

College School Exams Tests,

1365


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

how to qualify the impurity?

306


if you have given a blank water how you analyse by general analytical techniques?

1494


A ha tc is actual defination of retention time?

1048


How to calibration of the uv spectroscopy and its test?

655


how to select short coloum and long coloumn for new molecule

1807






[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

297


how you start RS method development when for new product?

278


How to fix the sample conc. in Related substances test by HPLC?

599


what are the guidelines for analytical method validations?

580


sop of a uv visible spectrophotometer double beam elico model

5337


Principle of single pan analytical balance

4586


how to calibrate hplc & gc

4019


mode of absorption in alimentary canal?

1913


[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?

333


How you develop a method in HPLC?

2065