Nitrite as NO2-, 1000µg/ml in water, 100ml Back Catalog number: 54262 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 679837 Tributyl phosphate, 100 µg/ml, Methanol, 5ml Price on request S-4254-KIT Sulfur Calibr. Mix. Dibenzothiophene in Toluene (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt Price on request 676620 Atrazine mercapturate, 100 µg/ml, Acetonitrile, Price on request