Project No.ISO 7404-2:2025
Title<p class="MsoBodyText"><span lang="EN-GB">This document specifies methods for preparing a polished particulate block from a sample of crushed coal for analysis by reflected light microscopy. These methods can also be applied to the preparation of a polished, embedded lump of coal.</span></p>
Registration number (WIID)87001
Scope<p class="MsoBodyText"><span lang="EN-GB">This document specifies methods for preparing a polished particulate block from a sample of crushed coal for analysis by reflected light microscopy. These methods can also be applied to the preparation of a polished, embedded lump of coal.</span></p>
StatusStandarts spēkā
ICS group73.040