Method 8121 - Surrogate Standard

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

Vitamin A acid,neat,neat,10mg,

2,4,5-T n-butyl ester