on what basis SOP's can be changed? IF mobile phase ratio
is 70:30 to how much % can we change the ratio in HPLC
process
Answer Posted / dr.sp goswami
+- 10% as per usp guideline mp ratio can be changedrevised
SOP must be there for reason /justification inclusion SOP
Can be modified
| Is This Answer Correct ? | 15 Yes | 1 No |
Post New Answer View All Answers
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
what is classification of elemental impurities? what is risk assement in elemental impurities?
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
What is similarity factor?
How can we calculate offset value pH measurment
what is definition of validation? which components are followed give detail?
how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,
Why six unit used for precision?
In which situation we require to analytical method validation of excipient?
mode of absorption in alimentary canal?
how to get accurate result for Residue on evaporation in purified water