Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678157 Furalaxyl, 100 µg/ml, Acetonitrile, 1ml Price on request 12151.10-100-ME Tolchlophos-methyl,100 µg/mL,MeOH,1mL, Price on request 674091 Benthiavalicarb-isopropyl, 10mg Price on request