10-key is the numeric pad on the right side of a keyboard and also the same format on a calculator. When learning to type with a 10-key pad the row 4,5,6 becomes you home key.
Yes, it is true that a lot of clerical jobs make use of the 10key data system, but that is not the case for all of them. You can find job openings for this on monster.com or simplyhired.com.
Phenyl HPLC ColumnsUltra-low Bleed Phenyl Phase with Enhanced Phenyl SelectivityPhenyl-based reversed-phases were one of the first alternatives to C18 selectivity. Our Ascentis Phenyl has been improved to offer exceptional phase stability and enhanced phenyl retention. Ascentis Phenyl offers versatility by also operating in the HILIC mode.FeaturesLow-bleed for MS or UV gradient applications due to the use of trifunctional bonding reagentOutstanding phenyl selectivity due to high phase loading and short butyl spacer100% aqueous-compatible for highly-polar compoundsStructure of Ascentis PhenylPropertiesUSP Code:L11Bonded Phase Description:Phenyl ring with shortbutyl spacerEndcapped:YesParticle composition:Type B silica gelParticle Purity:90%) mobile phases.