trans-Permethrin, 10mg

4-Nonylphenol-di-ethoxylate, 10µg/ml in Acetone, 1ml

2,3-Benzofluorene, 1000µg/ml in methylene chloride, 1ml

Organotin Standard Mixture 8 - Tin IS Ethyl Derivatives Internal standards ethylderivatives 1000 µg/mL in isooctane (based on total mass)) 5x1mL Ethyltripropyltin 1955.11 Di-n-heptyl diethyltin 2493.18 Tetra-n-propyltin 2490.12