ISO/TC 27/SC 5
| Project No. | ISO 11723:2004 |
|---|---|
| Title | <p>ISO 11723:2004 specifies a method using Eschka's mixture during ashing, extraction of the ash residue with acid, and hydride generation atomic absorption spectrometry or hydride generation atomic fluorescence spectrometry, for the determination of arsenic and selenium in coal and coke ash.</p> |
| Registration number (WIID) | 40597 |
| Scope | <p>ISO 11723:2004 specifies a method using Eschka's mixture during ashing, extraction of the ash residue with acid, and hydride generation atomic absorption spectrometry or hydride generation atomic fluorescence spectrometry, for the determination of arsenic and selenium in coal and coke ash.</p> |
| Status | Atcelts |
| ICS group | 73.040 |