Industrial Scientific NO2 Calibration Gas 18101477, 58L Cylinder, EXP 12/2023

New, never used. Open box, no retail packaging. There is minor exterior wear from storage, including light scratches and scuffs. Older stock, this unit is marked as Best Before 12/2023. As such, it will not be suitable for certain environments. Technical Specifications Calibration Gas CylinderGas Mixture 25 ppmNitrogen DioxideCylinder Diameter 3.5 inCylinder Height 14.25 inCAS Number 10102-44-0Standards ADR CompliantCylinder Capacity 58 L MSRP: $576.08

Cytiva 28964444 HiScale 50/40 chromatography columns

Product specifications HiScale 50/40 column. Chemical stability The columns are designed to be used in aqueous solutions and most organic solvents commonly used in liquid chromatography of biomolecules, with the following few exceptions: chlorinated hydrocarbons, acetone and other ketones, aliphatic esters, and phenol.