Ytterbium standard

Benzo[k]fluoranthene, 10µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 207-08-9

Tulathromycin B, approximately 5% (As a mixture with Tulathromycin A), 5mg

Sodium tetraethylborate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 15523-24-7