differance between L1 and L7 columns

Answer Posted / satheesh kumar

USP designed LC Columns as L,L1 denotes-C18 Column,L7
denotes as C8

Is This Answer Correct ?    12 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why six unit used for precision?

811


What is the diffrence in japan mkt requirement in analytical method validation over US?

304


Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

288


In which situation we require to analytical method validation of excipient?

304


what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?

3194






In Assy by potentio metry titration method how select MET U ,DET U, SET U,

1318


How to calibration of the uv spectroscopy and its test?

675


if identification threshold crosses the limits then what next step?

341


all types of questions asked at the cipla interview

4139


in which situation ion pair require to use?

281


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

654


How to set analytical specification for combination products?

328


How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

2725


What is the use of tlc and hplc? And when and where use?

665


using gradient pressure in gas chromatography are not ?using gradient pressure why

2944