<p class="MsoBodyText"><span lang="EN-GB">This document specifies a method of determining the mass fraction of acetone-soluble material (“resinous substance”) in the benzene-soluble extract from brown coals and lignites.</span></p>
<p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;"> </span>The acetone extract also contains a mass fraction of wax dissolved simultaneously with the "resinous substance".</span></p>
Registration number (WIID)
86984
Scope
<p class="MsoBodyText"><span lang="EN-GB">This document specifies a method of determining the mass fraction of acetone-soluble material (“resinous substance”) in the benzene-soluble extract from brown coals and lignites.</span></p>
<p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;"> </span>The acetone extract also contains a mass fraction of wax dissolved simultaneously with the "resinous substance".</span></p>
