Demands,  Environmental Reference Materials,  Inorganics,  Wastewater QC Knowns

Demand QC Concentrate CRM #QCI-026

A 21 mL concentrate for determination of Demand. Each ampule produces 2 liters of sample of dilution 10mL to 1000mL.  See analyte listing and ranges below. Sample derived from our accredited inter-laboratory PT studies.  Study statistics available.  We always have at least 4 lots available so if you have a specific requirement, please call us at 1-800-234-7837. read more