(Use Part# 70387) Famphur Back Catalog number: 91009 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90379 Wisconsin DNR GRO Standard Price on request 50459 Copper AA Standard (Cu) Price on request B447395-1MG Bis(4-hydroxyphenyl) Sulfone O-Beta-D-Glucuronide Sodium Salt, 1mg Price on request