Anions Mix Level 1 Back Catalog number: 50031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0050.22-100-T 6-Nitroanthanthrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 111438-94-9 Price on request 53069 Spiking Standard 1 Price on request 679412 13C6-Rafoxanide, 10mg Price on request