why we use only vanilline , acetanilide,& caffeine For the
Calibration of melting point appartus?
Answer Posted / renu saini
Becoz its covers whole range of melting point 0- 300°c.it is easily avialable in market.all are usp reference standards
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
how can give the expiry period and restadardisation of volumetric solution
what type of question will ask in the interview of lab chemist.
what is the origin to prepare standard operating procedure
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
what is %labelled amount in content uniformity of dosage unit and its calculation?
what is the principle involved in turbidometry and nephelometry ?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
what is classification of elemental impurities? what is risk assement in elemental impurities?
why require to do water content for drug product?
in which situation require to change rs specification?
in which situation require to use paddle and basket?
In rs method development when we are going area normalization method to dilute standard method?
How can I develope method of dissolution by HPLC OR UV
How do we fix the sample concentaryion in hplc method development. What is the basis?
What is the Formula for coreletion coefficient in plhplc calibration