Sulfate (SO4-2)

Bis(4-methyl-2-pentyl) phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-63-9

Endothall-3,4,4,5,5,6-d6 hydrate (93% D),100 µg/mL (as water-free acid),MeOH,1mL,

Copper (Cu) - 1 PPM