Interference Standard 1 Back Catalog number: 53039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678225 4,5-Dichloro-2-octyl-isothiazolone, 100mg Price on request 54328 Bicarbonate Anion (HCO3-) Price on request 53096 Alternate Metals 1 Price on request