EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59468 pH 4.0 Standard @ 25°C Price on request 71845 2-Methyl-1-butanol Price on request S-4286-20-IOX50 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 Price on request