Al, As, Cr, Co, Cu, Pb, P, K, Na (50 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: 2% HNO3
140-103-061 - IWS 6, 125 ml
140-103-062 - IWS 6, 250 ml
140-103-065 - IWS 6, 500 ml