what is the difference between BDS and ODS Columens and
both are same or not

Answer Posted / u.venkatramireddy

BDS means base deactivated Silanol through Special
teachnique residual silanols deacivated and silanol
activity reduced it is endcapped column.it is good for
basic compounds. ODS means octa decyl silane it is normal
column.high acidic silica it is not suitable for basic
compounds.

Is This Answer Correct ?    179 Yes 14 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Tell me about analytical method validation in QC

5548


How do we fix the sample concentaryion in hplc method development. What is the basis?

676


which batch require to use for analytical method validation?

330


in OSD forms require to use gas chromatography?

328


Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

1374






which are the diffrent batches in the pharmaceuticals?

340


what is turbidimetric titration?Give 2 examples.

1986


what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

8428


what is mean by extactable and leachable study?

560


In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

2707


Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

978


in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

265


How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

272


WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?

641


what is mean by 40 in the dissolution basket mesh size?

287