Multi-Element Internal Standard

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

Fumonisin B2, 50 µg/ml, Acetonitrile/Water, 1ml

n-Perfluorooctanoic acid,neat,neat,100mg,