ASTM D1618 – Standard Test Method for Carbon Black Extractables—Transmittance of Toluene Extract
Description:
Significance and Use
4.1 The toluene discoloration value provides an estimate of toluene-soluble discoloring residues present on the carbon black.
Scope
1.1 This test method covers the measurement of the degree of toluene discoloration by carbon black extractables and is useful in controlling the reaction processes for production of carbon black. This test method may not be applicable to carbon blacks with high extractables.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
ASTM D1614