Quantitative Crude Oil Standard ASTM D-5307 Back Catalog number: 51122 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72254 Sorbic acid Price on request DHCH d-1,2,3,4,5,6-Hexachlorocyclohexane, 1.2mL x 100ug/mL, nonane Price on request 680096 3,4-Dimethylaniline, 250mg Price on request