Internal Standard - Surrogate Mix

Custom Mix of 4-Nonyl- and 4-t-Octylphenols ethoxylates, 100/20µg/ml in Acetone, 5x1ml

1-Naphthylacetic acid, 100 µg/ml, Acetonitrile,

1,4-Butanediol dimethacrylate, 95%, 100g