Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml Back Catalog number: EDF-5999 Availability: In the manufacturer's stock Price on request - + Recommended 70017R Aroclor 1232 Price on request 71741 Coprostan-3-ol Price on request 72469 1-Naphthaleneacetic acid, 1000µg/ml in Acetone, 1ml Price on request