Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

how to calibrate hplc & gc

Cipla,

3126

Explain in detail what are the procedure and calculations involved for accuracy (%Recovery)in method validation?

Vimta Labs,

1 4467

WHAT IS DIFFERENCE BETWEEN RRT AND RRF IN HPLC

Cadila,

2 40216




what is mean by Q in S1 and S2

Micro Labs,

3 7430

what is the difference between mcg and ppm?

5 20313

WHAT IS THE DIFFERENT BETWEEN PURITY, POTENCY AND ASSAY

Hetero, Glochem,

5 43484

How we can perform Linearity study for validation by HPLC with very low conc of sample

1 5129

principle of FTIR

Biocon, Macleods,

2 13489




what is separation techniques.

Glenmark,

1 1409

what is the difference b/w repeatability nd reproducibility ?

Aptuit Laurus,

1 7494

why using factor 1.00639 in burette calibration of kf

Cipla,

1 6160

what type of questions asked on analytical balance and also give answers................all pharma companies?

Sun Pharma,

6285

Why KBr is used in FTIR ?

6 10265

How to study genotoxicity of impurities in API?

NCL,

2 3130

What is the difference between chiral cel OD-H & OD-RH ?

Aptuit Laurus,

3 7639


Post New Analytical Chemistry Questions






Un-Answered Questions { Analytical Chemistry }

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

1266


can i use hplc detector to uplc and why?

977


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

918


Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

1682


What is the calibration of uv process and preparation

723






what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

1241


acceptance criteria for lod & loq by standard deviation of response and slope??

1213


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

874


what is the difference between potentiometric titration and karl fischer titration?

1185


when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

811


about method developement in hplc

413


What is gelatinization?

415


Tell me something about Vitamin A test method by HPLC

1370


What is viod volume and peak purity in HPLC?

1392


what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

1092