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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

How you collect dissolution media while in stirring condition of a basket or a paddle?

Mylan,

2 6210

At what distance the sample is collected in dissolution basket?

3 9073

why we use prednisone tablet in chemical callibration of dissolution apparatus?

Cipla, Mylan, Umedica Laboratories,

6 36945

Why Ethanol is Used for Standardization of GC Head space?

Anuh Pharma, Cipla, Finar Chemicals, Hetero, Sun Pharma,

4158

How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.

2 8906

As per OOT for any product what is calculation and how to invetigate the OOT

Aurobindo, Hetero,

3 16638

What is Spliit and Splitless in Gas Chromatography nad How does it work?

Sterling,

4 12714

Why used 0.02% v/v solution of toluene in hexane for calibration of UV.

3 14087

Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV calibration?

Lupin, Ranbaxy,

5 52815

How to decided test concentration in GC analysis.

3 7849

What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

2604

in calibration of disintegration test apparatus why cycle limit is 28-32?

Caplin Point,

2 12891

Why pH range is maximum 14.0

UPL,

6 29103

what is the structure of DOWEX-50

5455

What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.

4 21064


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

how to calculate elemental impurities?

988


What is the requirement for brazil in the analytical method vslidation comparr to ich?

703


how can I make the copper get white bye any salt or acit?

2149


If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?

933


What is stray light in uv what are units for stray light

1564


Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

2134


what is biorelivent dissolution media?

749


How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2542


What is the principle of Thermal conductivity detector and FID?

2682


Difference between the quantitative analysis and qualitative analysis?

1107


what are risk assement in the analytical qbd?

688


Why we use potassium dichromate in uv calibration Exact reason behind it??

1190


What is the main difference between ODS1 and ODS2 Hplc column.

5125


How can I develope method of dissolution by HPLC OR UV

2349


Tell me something about Vitamin A test method by HPLC

2630