p-Toluidine-2-sulfonic acid, 250mg

Anion QC Mix

Bisphenol PH, 100mg

Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)