SpectroCertified® lubricating oil standards are formulated from chelated and stabilized liquid organo-metallic additive solutions. The starting substances are representative of ultra-pure reagents certified against NIST standard reference materials, whenever available. The SpectroStandards® Sets are processed in accordance with the listed ASTM-D6481, 6443 and 4927 methodologies. Unless stated otherwise, they are free of phosphorus or sulfur content. Trace impurities are documented in the Certificate of Analysis. Supplied in amber glass bottles in sets consisting of 100cc per standard.
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® SpectroCertified, SpectroStandards and Chemplex are registered trademarks of Chemplex Industries, Inc.