Multi-Element Internal Standard / Back Catalog number: 53319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673273 Ethiofencarb-sulfone, 100 µg/ml, Acetonitrile, 5 Price on request N-12102-1G Furfural, 1g Price on request 70362 N,N-Dimethylformamide Price on request