ASTM C458 / C458M - 98(2011)e1
Standard Test Method for Organic Fiber Content of Asbestos-Cement Products
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Abstract
This test method covers the determination of the organic fiber content of asbestos-cement products. Three apparatuses shall be used: sieve; drying oven; and an apparatus for determination of total carbon by direct combustion. Hydrochloric acid should be used as a reagent. A calculation shall be made to determine the organic fiber content. Repeatability of the mass of organic fiber content shall be determined as low or high concentration.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
1.1 This test method covers the determination of the organic fiber content of asbestos-cement products.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.3 Warning—Breathing of asbestos dust is hazardous. Asbestos and asbestos products present demonstrated health risks for users and for those with whom they come into contact. In addition to other precautions, when working with asbestos-cement products, minimize the dust that results. For information on the safe use of chrysotile asbestos, refer to “Safe Use of Chrysotile: A Manual on Preventive and Control Measures.”
1.4 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. ^REFERENCE:
ASTM Standards:
C114 Test Methods for Chemical Analysis of Hydraulic Cement
D2946 Terminology for Asbestos and Asbestos–Cement Products
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
BNQ Standard:
P2639-230 Asbestos-Cement Sheets: Methods of Test and Control
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
C114 Test Methods for Chemical Analysis of Hydraulic Cement
D2946 Terminology for Asbestos and Asbestos-Cement Products
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
BNQ Standard
P2639-230 Asbestos-Cement Sheets: Methods of Test and ControlICS Code
ICS Number Code 91.100.40 (Products in fibre-reinforced cement)
UNSPSC Code
UNSPSC Code 30111601(Cement); 11101510(Asbestos)
Referencing This Standard
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DOI: 10.1520/C0458_C0458M-98R11E01
Citation Format
ASTM C458 / C458M-98(2011)e1, Standard Test Method for Organic Fiber Content of Asbestos-Cement Products, ASTM International, West Conshohocken, PA, 2011, www.astm.org
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