QC Standard 2 Back Catalog number: 53085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1339.31-50-IO 17 alpha(H),21ß(H)-(22R)-Homohopane, 50µg/mL in isooctane, 1ml Price on request 1964.12-5MG 2,3',4,4'-Tetrabromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 189084-61-5 Price on request VHG-SDSL-5-100 Sulfur, 5µg/g (0.0005 wt%) in Diesel Fuel, 100ml Price on request