ICP-MS Verification Standard #1A

2,4-Di-sec-butylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1849-18-9

15 EU PAH Cocktail , 100µg/m Lin Toluene , 1ml

Triclosan methyl-d3 ether,50 µg/mL,n-nonane,1mL,