ISO 17034 · NIST traceable
Certified Reference Materials
Traceable standards for calibration, method validation and quality assurance. Every CRM is supplied with documented analytical information, uncertainty values and a traceability chain.

Single Element ICP Standard — Iron (Fe)
ATM-SE-FE-1000
High-purity single-element standard for ICP-OES and ICP-MS calibration. Certified against NIST primary standards with full uncertainty documentation.
Multi-Element ICP Standard — 10 Metals Mix
ATM-ME-10MIX
Certified 10-element mix covering Ag, Al, As, Ba, Be, Bi, Ca, Cd, Co, Cr for simultaneous multi-element analysis by ICP-OES or ICP-MS.
pH Buffer Solution — pH 4.00
ATM-PH-400
Certified pH buffer for electrode calibration and verification. Colour-coded for easy identification and stable from date of manufacture.
Conductivity Standard — 1413 µS/cm
ATM-COND-1413
Certified conductivity standard for meter calibration. Prepared from ultra-pure KCl in ASTM Type I water and traceable to NIST.
Pesticide Mix Standard — Organochlorines
ATM-ORG-OCL-100
Certified organochlorine pesticide mix for GC-ECD and GC-MS analysis, including aldrin, dieldrin and related compounds.
Heavy Metals in Drinking Water — EPA 200.8
ATM-EP-200.8
Certified reference standard for EPA Method 200.8 compliance, suitable for regulatory checks and trace-element analysis of drinking water.
Can’t find what you need?
We source custom reference materials and non-catalogue standards. Tell us your application and we’ll find the right solution.