QC Standard 2

Oxygenated Quantitative Calibration Mixtures (with Internal Standard) 5 Analytes, each Wt.% as listed in isooctane/xylene (65:35); unit: 5x1mL one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. 4

Sulfur Standard 3 Compound Prod.no. CAS no. Purity Grav. conc.µg/ml Ethanethiol 0184,2 75-08-1 99 % 20 Ethylene sulfide 2139,2 420-12-2 98.7 % 20 Thiophene 0933,4 110-02-1 99.5 % 20Methyl disulfide 0195,2 624-92-0 99 % 20 2-Methylthiophene 0934,5

1,2,3,4,6,7-Hexachloronaphthalene, 50µg/ml in nonane, 1,2ml