2,4-DB-methyl ester, 250mg

Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane

ISO 9377-2 Standard Mixture of n-Alkanes C10-C40 (all even) Determination of Hydrocarbon Oil in Water Index 16 Analytes, each 50 µg/mL in n-Pentane; units: 1x1mL, 1x5mL, 10x1mL This standard is also available as 100µg/mL in Cyclohexane Units: 1x1

Fluometuron-desmethyl