Internal Standard Solution, 1.2ml, nonane Back Catalog number: NK-IS-J4 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended T897152-1MG Tulathromycin A-d7, 1mg Price on request 70448 Isodrin, 1000µg/ml in MeOH, 1ml Price on request 79252 EPA Method 8330 Analyte Price on request