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ASTM D3366-95(2003)e1

Historical Revision

Standard Test Method for Color of Maleic Anhydride in the Molten State and After Heating (Platinum-Cobalt Scale)

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1.1 This test method covers the determination of the visual measurement of the color of maleic and phthalic anhydride melt before and after prolonged heating under specified conditions of time and temperature. Color values are expressed in terms of platinum-cobalt standards. This test method covers the range 0 to 100 color standard numbers.

1.2 The following applies to all specified limits in this standard: for purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded of "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 E 29.

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 Section 7.


The color of maleic anhydride and phthalic anhydride can be an indication of the purity of these materials. High colors normally indicate contamination.

SDO ASTM: ASTM International
Document Number D3366
Publication Date Feb. 10, 2003
Language en - English
Page Count 3
Revision Level 95(2003)e1
Supercedes
Committee D16.02
Publish Date Document Id Type View
Feb. 1, 2018 D3366-18 Revision
Feb. 10, 2003 D3366-95R03E01 Revision
Sept. 15, 1995 D3366-95 Revision