Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is dwell volume in HPLC?

Aurobindo, Cadila, Strides, SUN, Sun Pharma,

2 6571

what does pH stand for?

Orchid,

4 6925

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 3287

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

Zim Laboratories,

1856

Why the ph limit (1_14) Is used?

Cipla,

3 6984

What is cut off value of solvent used in hplc

Pfizer,

1 5548

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 2915

Can we interpret accuracy from linearity in method validation?

Dr Reddys, Lupin,

1 2103

What is aggregate and fragments in SEC?

1566

how pyridine can be analysed other than GC?

1 3316

What is the calibration of uv process and preparation

Aurobindo,

1488

How to prepare 1000ppm methylene blue solution

2 18956

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

College School Exams Tests,

1367


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

269


what is diffrence between specificity and selecivity?

295


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,

2031


what is mean by covalidation

307


inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?

278






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

2207


why require the ph, buffer during hplc mobile phase?

392


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

2176


why are measure gas flow " ml " in Gas chromatography

1146


we can use expired sample for validation and analyst qualification?

289


If combination product how require to identify which imp is of which api?

311


what is third integration

1481


How much is the standard area for glc analysis

1735


What is diffrence between extractable volume and deliverable volume? Answer pls

3905


In Dissolution Test why limit is define Q+5% what is the role of +5%.

2556