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Beschreibung

This Standard Reference Material (SRM®) is intended primarily for use in evaluating instrumental methods of analysis including glow discharge optical emission spectrometry, spark source optical emission spectrometry, and X-ray fluorescence spectrometry. A unit of NIST-1255b consists of a disk approximately 6.3 cm in diameter and 1.9 cm thick. (a) These values and associated uncertainty estimates for Ti, V and Sr must be used with units having serial numbers 1000 through 1094, inclusive. (b) These values and associated uncertainty estimates for Ti, V and Sr must be used with units having serial numbers 1095 through 1186, inclusive. Certified values /// Sample value(s) - please ask for current certificate.