Summary
ISO 7404-2:2009 specifies methods for preparing a polished particulate block from a sample of crushed coal for analysis by reflectance microscopy. These methods can also be applied to the preparation of a polished, embedded lump of coal.
Notes
40.00 : DIS enregistré
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 10/27/2025 |
| Edition | 3 |
| Page Count | 12 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
Replaces
24/09/2009
Superseded
, Confirmed
, Has Draft
Historical
Previous versions
24/09/2009
Superseded
, Confirmed
, Has Draft
Historical