CHROMASOL ONYX is another brand of Intek Chromasol which is identical to Chromasol JADE in most of the media characteristics except for the lower surface area 311m2/g and higher carbon loading of 17.4%. Chromasol ONYX column of size 4.6mmID x 250mmL also offers higher efficiency with plate numbers N= 22660 (% RSD = 2.7) and a good peak shape with a TF= 1.04 (% RSD = 2.2). These columns benefit in establishing the brand equivalence for intended analytical method applications.
A comparative picture on the performance of CHROMASOL ONYX with some of the brands is illustrated below.
A comparative picture on the performance of CHROMASOL ONYX with some of the brands is also provided.
CHROMASOL ONYX is tested to have good acid and alkali stability in the range 1.2-10 and is illustrated in the Figures hereunder where in minimal changes in N and TF are noticed with both the variations being parallel to the time axis up to 16 hrs under aggressive test conditions.