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Chemistry Interview Questions
Questions Answers Views Company eMail

Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Moisture content is 1.7%,Sulfated ash is 0.02%,Total impurities are 0.3%

2 6479

Why pyrene is also use for calibration if detector

Cipla, Dr Reddys,

1 4862

what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

Sandoz,

2017

In gas chromatographic analysis sometimes we use headspace, why it is required instead of manually injection?

1 4884

why nitrile are least reactive of carboxylic acid derivative

1 3403

How to fix the sample concentration in related substances development.

Novartis, Watson Pharmaceuticals,

3 17005

Who discovered X-ray

Huntsman Corporation,

2 5262

which gas fill the cfl and light bulbs?

3 4348

How to calculate the signal to noise ratio.

Rakshit Drugs,

1 7614

why methonol used for kf titrations

Glenmark,

1 3511

Why pH range is 1-14 nt more than 14???

IPCA, Lincoln Pharmaceuticals,

3 9237

Weight balance variation limit during analysis

Amneal Pharmaceuticals,

7 10646

what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?

Karnataka College of Pharmacy,

2731

What is the principle of gas chromatography ?

Admiron Life Sciences, Bicon, MOL,

2 5046

How to calculate lamp energy in hplc?

1 4073


Un-Answered Questions { Chemistry }

Why titration in which hcl and h2so4 is use?

1140


In what ways can Protactinium isotopes be used to study fundamental particle interactions and properties?

637


How to find peaks in ftir chromatography

1747


if tech transfer fails whay require to do?

898


what are the role of chemical education in sustainable development

2276


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

792


Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.

1470


SET Examination Previous Questions

3742


Which parameter require to do for analytical method equivalency?

822


How is arsenic produced?

1101


in dissolution why pool sample needed? in which type of drug pool sample need?

3227


How we choose the mobile phase for method development.?

1274


In rs method development when we are going area normalization method to dilute standard method?

1567


why holium oxide prepared in 10% HCLO4 SOLUTION

1500


Explain how do you extract ephedrine from a mineral block?

1070