Substance description/characteristics
The substance Slags, lead-zinc smelting is a UVCB (origin: inorganic)
The following public name is used: waeltz slag
| EC number: | 297-907-9 |
| EC name: | Slags, lead-zinc smelting |
| CAS number (EC inventory): | 93763-87-2 |
| IUPAC name: | Slags, lead-zinc smelting |
| Description: | Oxidic inert material remaining after pyrometallurgical treatment of Zinc-bearing (secondary) materials |
| Molecular formula: | not applicable |
| Molecular weight range: | not applicable |
Description: Oxidic inert material remaining after pyrometallurgical treatment of Zinc-bearing (secondary) materials
Degree of purity: 100 % (w/w)
| Constituent | Typical concentration | Concentration range | Remarks |
|
zinc EC no.: 231-175-3 |
6.22 % (w/w) | >= 1.0 — < 12.0 % (w/w) | mainly as (FeZn)2O4 |
|
iron EC no.: 231-096-4 |
33.5 % (w/w) | > 1.0 — < 45.0 % (w/w) | |
|
calcium oxide EC no.: 215-138-9 |
17.8 % (w/w) | >= 1.0 — < 30.0 % (w/w) | |
|
Aluminium oxide EC no.: 215-691-6 |
2.17 % (w/w) | > 0.0 — < 3.0 % (w/w) | |
|
silicon dioxide EC no.: 231-545-4 |
7.62 % (w/w) | > 0.0 — < 15.0 % (w/w) | |
|
Manganese oxide EC no.: 215-695-8 |
7.24 % (w/w) | > 0.0 — < 8.0 % (w/w) | |
|
copper EC no.: 231-159-6 |
0.67 % (w/w) | >= 0.0 — < 1.0 % (w/w) | |
|
chromium EC no.: 231-157-5 |
< 0.2 % (w/w) | >= 0.0 — < 1.5 % (w/w) | |
|
lead EC no.: 231-100-4 |
0.29 % (w/w) | >= 0.0 — < 0.5 % (w/w) |
Please download classification information from document at the bottom of the page. Slags, lead zinc smelting was self-classified in both DSD 67/538/EC and CLP 1272/2008/EEC regulations, e.g. not classifed for any endpoints.