WP pH @ 25°C Back Catalog number: 55061 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4157-5ML Performance Control Mixture 4 Analytes each Wt.% as listed; units: 1x1mL, 5x1mL neat Name Wt. % Name Wt. % n-Hexadecane 75.0 Tetralin 3.0 Naphthalene 2.0 Price on request 680355 Cefalexin monohydrate, 250mg Price on request 70140 trans-1,2-Dichloroethene Price on request