Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673785 Demeton-S-methyl-sulfoxide, 100 µg/ml, Ethyl acet Price on request 673533 4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Price on request T405560 N6-(N-Threonylcarbonyl)adenosine, 2,5mg Price on request