Na (5000 ppm) wt./vol. Multi-Element Standards. Matrix: HNO3.
PlasmaCAL Multi-Element Standards for Environmental Protection Agency (EPA) & the Contract Laboratory Program (CLP) provide an economical alternative to preparing in-house multi-element standards. Available for a range of prescribed methods and in multiple volumes. Complete Certificate of Analysis listing actual concentrations and traceability to NIST.
Matrix: 4% HNO3
140-104-051 - IS 5, 125 ml
140-104-052 - IS 5, 250 ml
140-104-055 - IS 5, 500 ml