what is the difference between LOSS ON DRYING IN ORDINARY
OVEN TECHNIQUE AND VACUUM OVEN TECHNIQUE
Answer Posted / vijayamani
Normal LOD : this method prefered. the melting point of the sample is greter than the boiling points of the solvets used and water for the product synthesis.
Vaccume LOD : this method prefered. the melting point of the sample is less than the boiling points of the solvets used and water for the product synthesis.
Because of solvets will evaporate less temperature in vacuum than Normal
| Is This Answer Correct ? | 2 Yes | 3 No |
Post New Answer View All Answers
what is mean by nitrosamine impurities?
how you establish the LOQ?
why cone formation during dissolution?
What is the calibration of uv process and preparation
In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
Qc interview questions
how you determine moist.of NaOH sol or NaOH flacks
What is split ratio in Gc? Splitless? how requirr to select?
what is %labelled amount in content uniformity of dosage unit and its calculation?
which are the diffrent batches in the pharmaceuticals?
What is importance of pH in the Heavy metal test and How it effect on the test results?
if rsd failed then what require to do?
What are the primary considerations in extractables and Leachables ?
What is rs test why we are performing rs test?