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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

Cipla, Elder, Vamsi Labs,

1 9741

How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium

2509

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

CMET,

2694

why are not used methonol in kf titrator to find out water content in ketones?

Piramal Healthcare,

5 15141

Why are EDTA used to etimation of Ca,Mg etc, in Water analysis?

Reddy Labs,

3 10446

why we use kbr as constant in the FTIR ?

4 10828

how much wave length of Soduim vapour lamp used in polarimeter

Reddy Labs, Torrent Pharma,

2 10657

what is the principle involved in turbidometry and nephelometry ?

Graviti Pharmaceuticals,

4134

What is basic difference between method validation,process validation

Atul,

1 9384

why sucrose used in polarimeter calibration?

Reddy Labs, Sugar Factory,

2 11830

why we are using 6 dosage units in dissolution, and why we are using 6 tablets in disintegation test.is there any scientific reason beyond 6?

ABC, Alembic, IPCA,

1 22103

IN DISSOLUTION WE ARE USING A LETTER 'Q' WHAT IS MENT BY Q

Reddy Labs, Torrent Pharma,

5 14384

define polar and non polar solvent

2 13069

Why we use 100 RPM in friability test

IPCA,

1 7984

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

Alembic,

3446


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2844


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

2311


using gradient pressure in gas chromatography are not ?using gradient pressure why

3362


what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

4450


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

729


What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

785


Why Ethanol is Used for Standardization of GC Head space?

4185


in dissolution why pool sample needed? in which type of drug pool sample need?

3150


what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

861


on the basis of bcs class how to proceed the solubility?

724


what is the difference between potentiometric titration and karl fischer titration?

3143


in hplc chromatogram started from left to right and in uv spectrum started from left to right

910


what is partion and column chromatography

2341


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

2705


why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

9741