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 71327 2,2-Dimethylbutane Price on request 92469 Surrogate Standard Price on request 11228.20-K-ME Amlodipine, 1000µg/ml in MeOH, 1ml Price on request