ASTM-D2985 2011

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D2985/D2985M-92(2011)e1 Standard Test Method for Color of Asbestos

Published By	Publication Date	Number of Pages
ASTM	2011	9

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Categories: 17.180.20 - Colours and measurement of light, ASTM

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Description

ASTM D2985/D2985M-92-e1-Reapproved2011

Historical Standard: Standard Test Method for Color of Asbestos

ASTM D2985/D2985M

Scope

1.1 This test method covers the determination of color, whiteness, and yellowness of asbestos by means of a photoelectric reflectometer.

1.2 The test method is applicable to all grades and varieties of homogeneous milled asbestos.

1.3 This test method may be applied to samples that are not dry or homogeneous, or that contain impurities or adulterants. However, in such cases, results may not be comparable with those obtained on clean dry samples.

1.4 To obtain similar results from spectrophotometers, see Test Method E308.

1.5 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.

1.6 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 of Preventive and Control Measures.”

1.7 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:

D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates

D2590 Test Method for Sampling Chrysotile Asbestos

D2946 Terminology for Asbestos and Asbestos–Cement Products

D3879 Test Method for Sampling Amphibole Asbestos (Withdrawn)

E3 Guide for Preparation of Metallographic Specimens

E259 Practice for Preparation of Pressed Powder White Reflectance Factor Transfer Standards for Hemispherical and Bi-Directional Geometries

E308 Practice for Computing the Colors of Objects by Using the CIE System

Keywords

asbestos; color; photoelectric reflectometer; reflectance; tristimulus; whiteness; yellowness

ICS Code

ICS Number Code 17.180.20 (Colours and measurement of light)

DOI: 10.1520/D2985_D2985M-92R11E01

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
3	Summary of Test Method Significance and Use Apparatus
4	Sampling Test Specimen Calibration and Standardization Procedure
5	Calculation Report Precision and Bias
6	Keywords X1. PROCEDURE FOR USE OF THE PHOTOVOLT REFLECTION METER X1.1 Preliminary Steps FIG. X1.1
7	X1.2 Procedure X1.3 Transportation of Instrument X1.4 Lamp Replacement X1.5 Lamp Adjustment X1.6 Internal Stray Light Effect X1.7 Effect of Specular Gloss X1.8 Position of Search Unit X1.9 Service Notes
8	X2. PROCEDURE FOR USE OF THE PHOTOVOLT REFLECTION METER X2.1 Preliminary Steps X2.2 Procedure X2.3 Lamp Replacement X2.4 Lamp Adjustment X2.5 Internal Stray Light Effect X2.6 Effect of Specular Gloss X2.7 Service Notes FIG. X2.1
9	X2.8 Operation with a Digital Galvanometer

Additional information

Standard Title	D2985/D2985M-92(2011)e1 Standard Test Method for Color of Asbestos
Published Code	ASTM
Publication Date	2011
Pages Count	9
ICS Codes	17.180.20 - Colours and measurement of light