ASTM D8515-23 PDF

Scope: 1.1 This test method covers the quantitative determination of the color of clear, yellow/brown, liquid materials using color measuring instruments. The results may be invalid if other materials are used. The test uses the Gardner color scale described in Test Method D1544. This test method applies to pine chemical products including tall oil rosin, gum rosin, wood rosin and related products. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D8515-23 Referenced Document

ASTM D1544 Standard Test Method for Color of Transparent Liquids (Gardner Color Scale)
ASTM E308 Standard Practice for Computing the Colors of Objects by Using the CIE System

2023 ASTM D8515-23 Standard Test Method for Color of Rosin in Solution (Instrumental Determination of Gardner Color)