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ASTM-C1365:2006 Edition

ASTM-C1365:2006 Edition

$40.63

C1365-06 Standard Test Method for Determination of the Proportion of Phases in Portland Cement and Portland-Cement Clinker Using X-Ray Powder Diffraction Analysis

Published By Publication Date Number of Pages
ASTM 2006 10
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1.1 This test method covers direct determination of the proportion by mass of individual phases in portland cement or portland-cement clinker using quantitative X-ray (QXRD) analysis. The following phases are covered by this standard: alite (tricalcium silicate), belite (dicalcium silicate), aluminate (tricalcium aluminate), ferrite (tetracalcium aluminoferrite), periclase (magnesium oxide), gypsum (calcium sulfate dihydrate), bassanite (calcium sulfate hemihydrate), anhydrite (calcium sulfate), and calcite (calcium carbonate).

1.2 This test method specifies certain general aspects of the analytical procedure, but does not specify detailed aspects. Recommended procedures are described, but not specified. Regardless of the procedure selected, the user shall demonstrate by analysis of certified reference materials (CRM’s) that the particular analytical procedure selected for this purpose qualifies (that is, provides acceptable precision and bias) (see Note 1). The recommended procedures are ones used in the round-robin analyses to determine the precision levels of this test method.

Note 0

A similar approach was used in the performance requirements for alternative methods for chemical analysis in Test Methods C 114.

1.3 The values stated in SI units shall be regarded as the standard.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazards, see Section 9.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Background
Summary
3 Significance and Use
Apparatus
Materials
Hazards
Sampling and Sample Preparation
Qualification and Assessment
4 Recommended Procedure
Report
Precision and Bias
TABLE 1
TABLE 2
5 Keywords
A1. ASSESSING THE X-RAY DIFFRACTOMETER
A1.1 Introduction
A1.2 Overview
A1.3 Terminology
6 A1.4 Alignment
X1. RIETVELD ANALYSIS OF X-RAY POWDER DIFFRACTION PATTERNS FROM CEMENTS
X1.1 Introduction
7 X1.2
X1.3
X1.4
X1.5
TABLE X1.1
8 X2. STANDARDIZATION-BASED QXRD PROCEDURES USED TO DETERMINE ACCEPTABLE LEVELS OF PRECISION AND BIAS
X2.1 Introduction
X2.2 Overview
X2.3 Standardization Mixtures
X2.4 Internal Standard
X2.5 Blending
X2.6 Diffraction Procedures
X2.7 Peak Selection
X2.8 C3A Correction
X2.9 Intensity Measurement
TABLE X2.1
9 X2.10 Standardization Curve
X2.11 Analysis of Unknown Mixtures
X2.12 Analysis of Cement or Clinker
REFERENCES
TABLE X2.2

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