ICP-MS Low Check Mix Revision 1

2-(4-Chlorophenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-15, Cas.no. 1019-85-8

trans-Permethrin (isomer mix)

1-Methyl-5-nitronaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 91137-27-8