Slags, zinc smelting (EC297-907-9)
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Substance description/characteristics

  1. Name and other identifiers of the substance:

The substance Slags, lead-zinc smelting is a UVCB (origin: inorganic)

The following public name is used: waeltz slag

Substance identity:
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
  1. Composition of the substance

Description: Oxidic inert material remaining after pyrometallurgical treatment of Zinc-bearing (secondary) materials

Degree of purity: 100 % (w/w)

Constituents
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)  
  1. Classification

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.
 

 

Waeltz slag classification according to CLP-GHS and DSD-DPD: NOT CLASSIFIED.
(Size : 0.01 MB)
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