Précis standards are offered as both single and multi-element at a concentration of 1000 µg/ml. Each standard comes with a Certificate of Analysis. This official document lists impurities measured via ICP-OES with the uncertainty of measurement.
Specific multi-element standards for ICP analysis are available which correspond to environmental protocol calibration, QC verification, interference checks, and instrument control and diagnostics. These solutions are available in 100 or 500 ml bottles.
All Précis standards have extended 18 month expiration and are shipped within 48 hours.
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