Ca, Fe, Mg, Si (10 ppm), Al, As, B, Mo, Na, Sb, Se, Tl (100 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: 5% HNO3
140-118-041 - Alternate Interferents B, 125 ml
140-118-045 - Alternate Interferents B, 500 ml