o-Xylene, 100µg/mL in MeOH, 1ml Back Catalog number: X9222 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-A200 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane Price on request 677353 Fluorene, 100mg Price on request ACQ-WH02-015 Ethanol standard in whole blood,0.2g/L,whole blood, 1.5mL Price on request