Isophoronediamine (cis- and trans- mixture), 25ml

Mono-(2-ethyl-5-carboxypentyl)phthalate-13C2, 1,2m

Arsenic (As)

ISO 9377-2 Standard Mixture of n-Alkanes C20-C40 (all even) Determination of Hydrocarbon Oil in Water Index 11 Analytes, each 50µg/mL in n-Pentane, units: 1x1mL, 1x5mL, 10x1mL This standard is also available as 50µg/mL in n-hexane; units 1x1mL, 1x5