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Up to 68 elements are scanned with found values for ICP and ICP-MS standards. The found value of the trace metallic impurities is reported on the Certificate of Analysis.
Nom chimique ou matériau
23 Element Oil Standard
À utiliser avec (équipement)
AA, ICP, ICP/MS, IC, XRF, and Other Analytical Instrumentation
Vinyl acetate is an important ester of vinyl alcohol, which can find applications in the production of homo and copolymer dispersions. The production of vinyl acetate involves the addition of acetic acid to acetylene in the gas phase in the presence of zinc acetate/charcoal as catalyst.
This sample is a petroleum fraction with a boiling range from 250° to 850°F, evaluated in round-robin studies by the ASTM. Use this sample and the supplied ASTM boiling range consensus values to evaluate system performance.
ASTM(R) D4815 Valve Timing Mix may be used for the determination of oxygenates (ethers and alcohols) in gasoline by GC. All components used in preparing the standards have been analyzed for purity, water content, and the presence of other method components to 0.01%.
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to the SI through a primary reference material from a NMI. Certified content incl. uncertainty and expiry date are stated on the enclosed certificate.