ASTM D-3230-89 Back Catalog number: 50223 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51122 Quantitative Crude Oil Standard ASTM D-5307 Price on request 0433.14-K-IO 2,2'-Dimethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 605-39-0 Price on request 59111 Metals Mix Price on request