2,4-D n-butyl ester Back Catalog number: 71629 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96615 Venlafaxine Price on request 50781 Alkalinity as Calcium Carbonate Price on request 30095 EPA Method 551 - Analytes Mix “B”, 2000µg/ml in MTBE, 1ml Price on request