Custom Mix Back Catalog number: 50275 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11741.12-100-IO 2,2',3,4,5,6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 95698 Crude Oil Standard n-Hydrocarbons C5-C9 Price on request 58155 Cesium (Cs) Price on request