What is the difference between known and unknown impurities?
Answer Posted / nikil kumar
Known impurities in related substance are related to the structure of compound, sometimes it may be starting metrial in case of coupling reaction.
Unknown impurities are generated during process via the side reaction with compounds.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
which situation gc hs and gc als require to use?
how to decide for one product require water content or LOD?
what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
pharma industries oriented
What is the use of tlc and hplc? And when and where use?
What is the acceptance criteria for moisture balance when calibrated with sodium sulfate
what is classification of elemental impurities? what is risk assement in elemental impurities?
mode of absorption in alimentary canal?
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
How we choose the mobile phase for method development.?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
how you determine moist.of NaOH sol or NaOH flacks
What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)