Multi-Element Standard Back Catalog number: 50729 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2640.29-5UG 17ß(H),21ß(H)-30-Norhopane, 5µg Price on request 54200 Nitrate as NO3-, 1000µg/ml in water, 100ml Price on request S-4755-SET IP 391-95 Calibration Curve 4 Analytes, each Wt.% as listed in n-Heptane; unit: 4x1mL one of each Std. Analyte Std. 1 Std.2 Std.3 Std.4 (mg/mL) (mg/mL) (mg/mL) (mg/mL) 1301.6 Cyclohexane 50 20 5 1 1267.8 o-Xylene 40 10 2.5 0.5 0712.11 1-Methylnaphth Price on request