what is the difference between c-8 and c-18 column
Answer Posted / s.goutham
the c18 coloumn wsa highly non polar compared to c8
coloumn.Most of the compound well seperated in c18
Is This Answer Correct ? | 5 Yes | 1 No |
Post New Answer View All Answers
Why six unit used for precision?
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?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
why we should take dst factor for below 1%moisture samples
how much mass should be there in volumetric flask while in preparation of sample for assay?
Identify problem faced when mass spectroscopy is used with HPLC system ?
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
Colorimtry
How to calibration of the uv spectroscopy and its test?
acceptance criteria for lod & loq by standard deviation of response and slope??
cefoperozone and sulbactam inj. hplc test method
What is similarity factor?
give clarity of linearity and range in method validation
in api coa contains only process impurities and in product coa contains degradation impurities?
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?