Chloride 20 µg/mL (Cl-) Back Catalog number: 50613 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59468 pH 4.0 Standard @ 25°C Price on request DF-IS-A Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 1ug/ml, nonane Price on request 679041 TEPA, 100 µg/ml, Methanol, 1ml Price on request