Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is differences between the Instrument and Equipment

Aurobindo,

2 2647

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

Aurobindo,

1 8089

What is UV cut off?

Sanmar,

1 2641

What is the importance of sulphated ash test?

1 3938

What is impurities in pharma analysis?

1 1836

What are the different zones in stability according to ICH?

Apotex,

1 2088

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

Cipla,

1 2355

How does GC did work?

1 1737

Which detector is used in uv-vis spectrophotometer?

Glenmark,

1 8855

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

Lupin,

1 1759

What is the difference between ROI & sulphates ash?

1 2402

What is difference between NDA & ANDA ?

Alembic,

1 3280

What is Rf value& Rx value in TLC?

Abbott,

1 7885

What are the six USP melting point reference standards?

1 2014

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

Apotex,

1 2036


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

what is classification of elemental impurities? what is risk assement in elemental impurities?

301


how can give the expiry period and restadardisation of volumetric solution

2023


why require to do water content for drug product?

277


from where i get mortar pastle for glass bottle crush? it's required for testing of it?

1697


how you determine moist.of NaOH sol or NaOH flacks

1746






Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6

2081


EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

2092


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

2535


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

2171


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

294


In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

2920


How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

3355


While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

2306


why we use glass fiber filters use in some situation?

296


How we can identify process related and degradation impurity in single method with short period?

286