Nitrite (NO2-) as N

2-Chloroethanol, 1000µg/ml in Water, 1ml

D6-Chlorpyrifos-methyl, 100 µg/ml, Acetone, 1ml

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)