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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

How can we detect a compound in hplc which does not have any chromofore?

1 2464

What is similarity factor?

1206

What is the difference between the working standard and reference standard?

1 2186

WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?

1185

CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

1207

How to do spike of aflatoxin in peanut to get maximum recovery

1131

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

1096

What is the limit for single maximum impurity limit as per USP??

1 2000

Why we use potassium dichromate in uv calibration Exact reason behind it??

1258

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

1132

Difference between the quantitative analysis and qualitative analysis?

1178

What is related substance by HPLC impurity limits as per USP?

1106

What is a difference between potency and purity?

1221

Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

911

In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

925


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

in which situation ion pair agent require to use?

737


How to start the dissolution development for unknown tab?

1679


How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2584


why multimedia dissolution require to do?

830


which batch require to use for analytical method validation?

805


mode of absorption in alimentary canal?

2390


We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

1717


How to set analytical specification for combination products?

818


what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

2293


how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2602


in which situation require to change rs specification?

749


What is column in chromatography?

2235


WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2607


if instrument calibration fails then what require to do?

980


can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

2182