Perfluorooctane sulfonic acid potassium salt PFOS, certified, 0.1g

EPA 528 rev. 1.0 Sample Fortification Solution 3 200µg/mL in methanol; unit: 1x5mL 2060.6 2,4,6-Tribromophenol [118-79-6]

CLP Acid & Base/Neutral Surrogate Mix

1,5-Bis-(1-methylethyl)-biguanide HCl, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 45095-69-0