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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

give clarity of linearity and range in method validation

1284

how do we get usp reference standard potency?

Ind Swift Laboratories, MSN Pharma,

1 2597

what is the origin to prepare standard operating procedure

1290

why we are using sodium,potassium phosphates for mobile phase preparation?

1 8710

why water factor is near about 5.0 in kf titration?

Claris Lifesciences, Indchemie Health Specialities,

3 10809

Why 1800 ml of dissolution media used In Carbamazepine ER USP Tablets But other drug only 900 ml Media Used ?

Torrent Pharma,

1 3447

what is use in calibration of conductivitimeter?

Claris Lifesciences, SRF,

1 3641

how to calculate corelation coefficient in G.C Calibration? what is the calculation part?

Cipla, Ortin Labs,

1314

reasons for negative peaks in chromatography

DRL,

5 11928

why octanol used to determine the partition coefficient ?

1348

if partition coefficient value was positive means, what it indicates ?

1 2624

why has inject 5 injection in assay

Lupin,

2 10763

why has inject 6 injection in Releted compounds

2 7864

why we should take dst factor for below 1%moisture samples

Ind Swift Laboratories,

1696

what is end capping in hplc coulmn

Lupin, Zydus Cadila,

2 10104


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Un-Answered Questions { Analytical Chemistry }

How to choose the which salt is suitable for mobilephase

2075


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

1023


how can I make the copper get white bye any salt or acit?

1267


please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

632


How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

2951






What is the difference between c8 and c18 hplc column?

193


i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

1704


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

1562


Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

1789


A ha tc is actual defination of retention time?

541


Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

955


What is the diference between residual solvents and organic volatile matter

997


How will u perform degradation study in detectors other thann PDA in HPLC Methodology

1548


How can the GC or HPLC method is selected to determine the impurity profile in drug product?

6024


HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

1289