Superseded
, Reaffirmed
, Under review
Standard
Historical
ISO 2950:1974 (R2018)
Brown coals and lignites — Classification by types on the basis of total moisture content and tar yield
Summary
Brown coals are classified in this International Standard according to the following properties: total moisture content calculated on the ash-free basis; tar hiels calculated on the dry, ash-free basis. In tables class numbers, group number and code numbers of brown coal types are given.
Notes
90.92 : Norme internationale à réviser
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 02/01/1974 |
| Confirmation Date | 03/28/2018 |
| Edition | 1 |
| Page Count | 2 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
01/02/1974
Superseded
, Reaffirmed
, Under review
Historical