1. Categories >> Sciences >> Chemistry
  2. Suggest New Category


Chemistry Interview Questions
Questions Answers Views Company eMail

what is use in calibration of conductivitimeter?

Claris Lifesciences, SRF,

1 4633

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

Cipla, Ortin Labs,

1 2207

reasons for negative peaks in chromatography

DRL,

5 14224

why octanol used to determine the partition coefficient ?

1909

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

 1 3495

why has inject 5 injection in assay

Lupin,

2 11911

why has inject 6 injection in Releted compounds

 2 9058

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

Ind Swift Laboratories,

2186

what is end capping in hplc coulmn

Lupin, Zydus Cadila,

2 11758

for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

Watson Pharmaceuticals,

1 5281

we run the same sample in same method in different flow rates in HPLC,any changes in sample analysis?

 2 6559

For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

 3485

For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

 1782

if the flow rate is increases then any changes in retention time in hplc

 1 7193

Whatn is HPLC

HPLC, Jubilant, Orchid,

1 6533

Un-Answered Questions { Chemistry }

how to calculate elemental impurities?

534

Explain how buffer works?

623

in api coa contains only process impurities and in product coa contains degradation impurities?

314

How are atoms of the isotopes different from one another? Two isotopes of carbon are carbon-12 and carbon-14.

540

Protactinium-234 is an important tool for studying ocean circulation. How is it utilized in oceanographic research?

101




why multimedia dissolution require to do?

302

How can Protactinium isotopes be used in the creation of neutron-rich targets for various experiments and studies?

163

What is a tripod?

639

An atom has 18 protons and 22 neutrons. Tell me its mass number?

569

UV and PDA detector, which have less signal to noise ratio?

636

what is mean by nitrosamine impurities?

533

What precaution u take when doing rs preparing

1626

What are the factors which affect corrosion? : Electrochemistry Corrosion

525

why are measure gas flow " ml " in Gas chromatography

1148

When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason?? When a cool glass rod is suddenly heated, it cracks. Why?

534

For More Un-Answered { Chemistry } Questions Click Here