why we use vanillin in melting range calibration

Answers were Sorted based on User's Feedback



why we use vanillin in melting range calibration ..

Answer / rama

Because Vanillin melting point is sharp, hence we will use
vaniillin, Caffine and sulfulnamide, there are very sharp
melting points.

Is This Answer Correct ?    18 Yes 5 No

why we use vanillin in melting range calibration ..

Answer / jagadeeshchandra

1. Vanillin is having sharp&stable melting point
2. Easily available
3. Melting range is below 1.5* c only (starting & ending of melting)

Is This Answer Correct ?    5 Yes 0 No

why we use vanillin in melting range calibration ..

Answer / yojana

vanillin use in melting range calibration because it gives
stable melting piont & also cover the range of 0-300°c

Is This Answer Correct ?    7 Yes 18 No

Post New Answer

More Analytical Chemistry Interview Questions

why don't we call POH meter? As we all as PH meter

4 Answers   Aurobindo,


Why we check moisture,ash & AIA in product

0 Answers  


Calculate the water content in Di Sodium Tartrate (DST) based on molecular weight?

3 Answers  


How to standardization of 1N H2SO4?

1 Answers   GNFC, Macleods,


what is stability study ? why it is needed and how itis done

2 Answers   Dr Reddys, RB,






what is batch no. of prednisole tablet.

8 Answers   Dr Reddys,


How to estimate potassium?

1 Answers  


What is the thickness of polystyrene film?

8 Answers   Pharmaffiliates Analytics and Synthetics,


What is Arsenic Test?

0 Answers   Flamingo Pharmaceuticals,


what is hold time in Gc?

1 Answers  


why we use only six bowls for dissolution of a drug

1 Answers   Cipla, Natco, TelePerformance,


Qc interview questions

0 Answers   Apotex,


Categories
  • Organic Chemistry Interview Questions Organic Chemistry (342)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1387)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (190)