Interference Standard 1 Back Catalog number: 52039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54502 Fluoride (F-), 1000µg/ml in Water, 500ml Price on request 70947 1,2-Diethylbenzene Price on request 9068.8-K-IP 6-Chlorovanillin , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 18268-76-3 Price on request