Thorium (Th) Back Catalog number: 59878 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10272.6-K-IO 2,3-Dimethyl-d6-pyrazine Price on request XA12143000AL Demeton-S-methyl, 100µg/mL in Acetonitrile, 1ml Price on request S-4066-K-IO n-Alkanes C14-C32 (even + pristane/phytane) 12 Analytes, each 1000 µg/mL in isooctane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane. Price on request