4-Hydroxy-4-methyl-2-pentanone, certified, 5ml

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

Chloridazon-desphenyl, 10µg/ml in Acetonitrile, 5ml

Alcohol Standard 1