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ASTM D1686-1996(2004) Standard Test Method for Color of Solid Aromatic Hydrocarbons and Related Materials in the Molten State (Platinum-Cobalt Scale)

Standard Number:  ASTM D1686-1996(2004)
Title:  Standard Test Method for Color of Solid Aromatic Hydrocarbons and Related Materials in the Molten State (Platinum-Cobalt Scale)
Language:  English
Replacing Standard:  ASTM D 1686-1995

Execute Date:  1996/1/10
Status:  Superseded
International Classification for Standards (ICS)CHEMICAL TECHNOLOGY>>Organic chemicals>>Aromatic hydrocarbons
Publisher:  American Society for Testing Material (ASTM)
Price:  
Number of Pages:3P.;A4   

Description:

Color by this test method is a measure of color-producing impurities present in the thermally stable solids. This test method is suitable for setting specifications and for use as an internal quality control tool.

1.1 This test method covers the visual measurement of the color of thermally stable solids melting below 150oC. It is applicable only to materials in which the color-producing bodies present have light absorption characteristics quite similar to those of the standards used.

1.2 The following applies to all specified limits in this test method: for purposes of determining conformance with this test method, an observed value or a calculated value shall be rounded off "to the nearest unit" in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.

1.3 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 hazard statements see Sections 7 and 9.

  
Cross References:ASTM D1193;ASTM D3438;ASTM D3852;OSHA Regulations; 29;ASTM E29  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  110KB
Tile in English:  Standard Test Method for Color of Solid Aromatic Hydrocarbons and Related Materials in the Molten State (Platinum-Cobalt Scale)

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