Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is mean by PDR?

324

What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

305

Related substance method equivalency on control sample or spiked sample?

299

How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

272

how to develop the icp ms method? Application of icp ms?

308

What is the diffrence in japan mkt requirement in analytical method validation over US?

287

From where require to take the RLD sample?

272

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

274

in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

328

if you have given one product then how you determine the impurity in that?

286

which are the guidelines for force degradation studies?

1 1117

Is it nessesary all multimedia dissolution require descriminatory?

336

which are the sizes of capsules?

402

if content uniformity passing but dissolution varrying then what is next step?

383

what is mean by least count balance?

1 1543


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Un-Answered Questions { Analytical Chemistry }

What is dose dumping? why require to do?

291


How to determine water content of bis tetrazole amine mono ammonium salt

2960


cefoperozone and sulbactam inj. hplc test method

2125


How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

1786


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

2271






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

454


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

1861


why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

8909


what is partion and column chromatography

1813


why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2339


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,

2035


analytical method validation require to with respect to release specification or shelf life specification?

277


4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

2150


How do we fix the sample concentaryion in hplc method development. What is the basis?

676


How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

272