Certification fo SRM 46H

Ferraris, Chiara F.; Guthrie, William F.; Peltz, Max A.; Haupt, Robin

doi:10.6028/nist.sp.260-169

Cited by 1 publication

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“…The SRM 114 series for portland cement fineness has been provided by NIST since 1934 for calibrating instruments for measuring fineness characteristics of portland cement and other powdered construction materials [1]. Certified values are provided for cement fineness by ASTM C204 [2] Standard Test Methods for Fineness of Hydraulic Cement by Air-Permeability Apparatus (commonly called the Blaine method), ASTM C430, Standard Test Method for Fineness of Hydraulic Cement by the 45-um (No.…”

Section: Introductionmentioning

confidence: 99%

Certification of Standard Reference Material 114r Portland cement

Wood¹

2022

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The SRM 114 series for portland cement fineness has been provided by NIST since 1934 for use in calibrating instruments for measuring fineness characteristics of portland cement and other powdered construction materials. SRM 114r is the latest of this series providing certified values for cement fineness by Blaine apparatus, + 45 ?m (No. 325) Sieve, and informational values for particle size distribution by light scattering. ASTM C01.25 Committee on Fineness provided a range of desired materials properties, and the assistance of the Cement and Concrete Reference Lab provided a number of candidate plants with materials conforming to the Committee request. Approximately 1000 kg of cement was procured, homogenized, and packaged. An inter-laboratory study was initiated to develop the data set used to establish certified values. The certified values represent the consensus means and uncertainties for the Blaine and + 45 ?m residue. Informational values on particle size distribution are provided as the mean of the combined wet and dry laser diffraction data.

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Section: Introductionmentioning

confidence: 99%

Certification of Standard Reference Material 114r Portland cement

Wood¹

2022

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Certification fo SRM 46H

Cited by 1 publication

References 8 publications

Certification of Standard Reference Material 114r Portland cement

Certification of Standard Reference Material 114r Portland cement

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