pH 12.0 Standard @ 25°C Back Catalog number: 50587 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674585 Dextromethorphan hydrobromide monohydrate, 250mg Price on request 52022 Contract Required Detection Limits (CRI) Mix 1 Price on request 71623 1-Octene Price on request