SDWA UV 254 Absorbance/ DOC Back Catalog number: 55098 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53093 Trace Metals 2 Price on request 59338 pH 10.0 Standard @ 25°C, in water, 100ml Price on request 681809 Valifenalate, 100 µg/ml, Acetonitrile, 1ml Price on request