Phosphate as (PO4-3), 1000µg/ml in water, 100ml

4-Hydroxy-3-methoxymandelic Acid, 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)

d2 C26 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no.