Gas Surrogate Back Catalog number: 92810 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66044 2,2’,3,5’-Tetrachlorobiphenyl (44) Price on request 72058 Biphenyl-d10 Price on request SCPCB3-001-438 CONOSTAN Multi Element Std., in 75cSt oil, 200g Price on request