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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

WHY POTASSIUM DICROMATE USING IN UV CALIBRATION

Apotex, Micro Labs, Rene,

1 16230

What is the Baseline in HPLC.

Teva API,

2 10149

Why dst is used in kf for factor determination less than 1

Reddy Labs, Sun Pharma,

4 14096

why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?

Celon Labs,

5 10996

why inject diluted standard solution in related substance analysis by HPLC?

Biocon, Sun Pharma,

2 13174

What is the Calcultion of S/N Ratio.

2 8970

Principle of HPLC in one sentance

Syngene,

8 13364

Why are using in Hi,zero air, Ni gass are used GC

Aurobindo, ELBS, Vimta Labs,

5 10382

what is the balance drift?

Torrent Pharma,

2 9402

Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?

MSN Pharma, Titan,

3 16423

why are using toluene in uv calibraion in resolution performance

MSN Pharma,

2 8880

why we make titiration of Iron with EDTA ?

Cipla, Sitec Labs,

1 7114

What is difference b/w IR&NIR

Apotex,

1 4162

Why does boiler drum ph maintain from 9.5 to 10.2

1 5883

What is the definition of water content or moisture content,what is the procedure going on w.c amalysis?

Cipla, KIYI,

1 9197


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Un-Answered Questions { Analytical Chemistry }

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

1294


What is delay volume?

229


Did anybody have method for acetyl cysteine effervescnce tablet

1296


How you develop a method in HPLC?

1648


What is the purpose of octyl silane columns?

3255






what is the disso medium for tropsiun chloride

1304


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

4431


Why dissolution test is not performed in all of the products

1585


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

582


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

163


why equlirium conatant of water have 14 value

1273


Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

1831


What is rs test why we are performing rs test?

290


A ha tc is actual defination of retention time?

580


What is the calibration of uv process and preparation

1083