Analytical Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

What is differences between the Instrument and Equipment

Aurobindo,

2 3886

Why dissolution test apparatus calibration with salycilic acid tablets was stopped by FDA&USP from the year of 2009?

Aurobindo,

1 9208

What is UV cut off?

Sanmar,

1 3860

What is the importance of sulphated ash test?

1 5034

What is impurities in pharma analysis?

1 2646

What are the different zones in stability according to ICH?

Apotex,

1 2974

According to ICH,India is coming under which climatic zones?

Cipla,

1 3362

How does GC did work?

1 2646

Which detector is used in uv-vis spectrophotometer?

Glenmark,

1 9984

Why chromic acid wash is not recommended by USP for glassware cleaning?

Lupin,

1 2675

What is the difference between ROI & sulphates ash?

1 3515

What is difference between NDA & ANDA ?

Alembic,

1 4418

What is Rf value& Rx value in TLC?

Abbott,

1 9841

What are the six USP melting point reference standards?

1 2998

What is the size of capillary tube used for analysing melting point?

Apotex,

1 2904

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Un-Answered Questions { Analytical Chemistry }

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

2545

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

2346

why we use a particular hplc column for a particular compound give reasons?please

2752

in sampling of raw material which side is pasted sampled labels

1839

what is the structure of DOWEX-50

5521

How to set specification of assay, fisdolution and related substances?

883

What is the calibration of uv process and preparation

1998

What is the difference between chromatographic purity and related substances?

1376

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?

4074

How can I develope method of dissolution by HPLC OR UV

2408

What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

7545

What is the formula for relative diffrence for standard solution in solution stability in validation?

802

pharma industries oriented

2247

What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1900

how to decide for one product require water content or LOD?

783

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