Custom Mix Back Catalog number: 50681 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4045-05-10ME Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL Price on request 673379 Methomyl, 100 µg/ml, Acetonitrile, 5ml Price on request 678969 oxy-Chlordane, 100 µg/ml, Acetonitrile, 1ml Price on request