Thallium (Tl) Back Catalog number: 57481 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70431 Phthalic anhydride Price on request 72653 Di-n-propylamine Price on request 2918.8-K-AN Atrazine-d5 (ethyl-d5),1000 µg/mL,acetonitrile,1mL, Price on request