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This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
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.
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.
ANALYSIS OF PETROLEUM Waxes BY GC - Qualitative and quantitative mixes of n-paraffins are used for determining column resolution, retention times, and response factors.
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
ASTM(R) D5442 Quantitative Linearity Standard consists of mixes of n-paraffins used for determining column resolution, retention times, response factors, and internal standard preparation. Each component is 0.01% (w/w) in cyclohexane.