Spike Sample Standard 1 Back Catalog number: 52028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58134 Selenium (Se) Price on request X9027 bis(2-Chloroethyl) ether Price on request 11685.12-100-IO 2,2',3,5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request