Interference Standard 4 Back Catalog number: 52041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDE-047S 2,2',4,4'-Tetrabromodiphenyl ether,50µg/ml IO, 1ml Price on request 674588 Fenthion-oxon-sulfone, 10.0 µg/ml, Acetonitrile, Price on request S-4569-8K-ET EN 15721 Internal Standard Stock Solution, procedure B 1382.2 Ethanol 16mL 8919.5 4-Methyl-2-pentanol 160µL Gives a concentration of approx. 8mg/mL Price on request