pH 4.0 Standard @ 25°C Back Catalog number: 59468 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MICQC6 WS (drinking water) Quantitative E.Coli - QC Price on request 52028 Spike Sample Standard 1 Price on request XA13740000AL Fluopicolide, 100μg/mL in Acetonitrile, 1ml Price on request