De Bruyn Spectroscopic Solutions ULTRASPEC South African Certified Reference Materials For: e, ICP-OES & ICP-MS. * Protocol ISO 17025 / 2017 & ISO 17034 Established 2002 *Buffers and Starting Kits ION, Multi ION std, Special Speciation std, Wavelength Tuning Solutions, Calibration Solutions,, Spiking, ICAL Solutions, Profiling Solutions All ULTRASPEC CRM's Certificate of Analysis, traceable to NIST. Purest starting materials are used. Multi-Element and Single-Elements CRMs. Agent for Savillex. send all requests TO: ultraspec@mweb. co. za : tel 082 354 7730.