pH 4.0 Standard @ 25°C, in water, 100ml Back Catalog number: 59436 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CBP-2 2-Chlorobiphenylene, 1.2ml x 50ug/ml, nonane Price on request 70014 Anthracene-d10, 1000µg/ml in MethyleneChloride, 1ml Price on request 673350 Methamidophos, 10.0 µg/ml, Acetonitrile, 10ml Price on request