Interview Questions Answers in Analytical Chemistry, Pharmacy

padmarao

{ City } hyderabad
< Country > india
* Profession * sr chemist
User No # 99944

Total Questions Posted # 3
Total Answers Posted # 4

Total Answers Posted for My Questions # 12
Total Views for My Questions # 31740

Users Marked my Answers as Correct # 3
Users Marked my Answers as Wrong # 0

Questions / { padmarao }

Questions Answers Category Views Company eMail

how can you decide API molucule acedic or basic compound by test?

Posh Chemicals,

2 Analytical Chemistry 10042

Which Pharmacopiea follow calibration of HPLC,GC

Bayer, Reddy Labs,

3 Analytical Chemistry 10123

Why Holium cholorate used in UV Spectro photometer?

Reddy Labs,

7 Analytical Chemistry 11575

Answers / { padmarao }

Question { Biocon, 29551 }

is there any material other than caffene to calibrate hplc
detector

Answer

Uracil and Benzophenone

Is This Answer Correct ?

0 Yes

0 No

Question { 20013 }

What is the difference between HPLC and GC?

Answer

HPLC:mobile phase is liquid and stationary phase solid(silanes)
L=max 250 mm
Separarion:Based on adsorption
GC: mobile phase is gas and stationary phase liquid coated solid(silaxoneas)
L=30M
Separarion:Based on partition

Is This Answer Correct ?

1 Yes

0 No

Question { 3461 }

What is the composition of a C18 column?

Answer

C18: Octadecyl silanes

Is This Answer Correct ?

0 Yes

0 No

Question { Aurobindo, 6607 }

What is Diffidence between Normal Detector and PDA Detector?

Answer

UVdetector: detect fixed nms( 254nm)

PDA detector: multi nms can detect (190-780 nms) and used stress study for Peak purity scan 3D images and method validation purpose

Is This Answer Correct ?

2 Yes

0 No