Atrazine-desisopropyl D5 (ethylamino D5), 100µg/ml in Acetone, 1ml Back Catalog number: XA10332100AC Availability: In the manufacturer's stock Price on request - + Recommended S-4107-50-HX ISO 9377-2 Standard Mixture of n-Alkanes C20-C40 (all even) Determination of Hydrocarbon Oil in Water Index 11 Analytes, each 50µg/mL in n-Pentane, units: 1x1mL, 1x5mL, 10x1mL This standard is also available as 50µg/mL in n-hexane; units 1x1mL, 1x5 Price on request S-4052-60K-10LW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C) Price on request 53320 EPA Method 300.0 Anions Price on request