why we use vanillin in melting range calibration
Answers were Sorted based on User's Feedback
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 |
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 |
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 |
importance of internal standard and in what conditions it is used?
A new drug substance found fail to meet specification for an unknown Impurity during stability study(Specific change),how would further proceed?
What is the difference in OVI and Residual solvents?
3 Answers Discovery Intermediates,
why use benzophenone & caffene acetone in hplc calibration
how to develop the icp ms method? Application of icp ms?
why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero dipole moment?
How to select buffer for HPLC mobile phase
4 Answers Cadila, Cipla, Lupin,
What is the difference between high pressure gradient and low pressure gradient in hplc?
why don't we call POH meter? As we all as PH meter
What is the column performance and column efficiency?
Why using Holmium oxide in UV calibration
8 Answers Dr Reddys, Matrix, Nakoda Chemicals, Orchid,
how require to fix the linearity and accuracy cincentration range?