EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended LLIPFMESI Lithium bis(trifluoromethanesulfonyl)imide, 50µg/ml in MeOH, 1,2ml Price on request 676415 D4-Carbendazim, 100 µg/ml, Methanol, 1ml Price on request 59384 Cation Mix #2 Price on request