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We are an important link in the chain completing
substance cycles for major
and small and medium-sized
companies of the basic substance industry and
for
galvanizers of every kind. Our international team
with specialists from
Germany, Kazakhstan, Hungary,
Poland and Finland makes us one of
Europe's most
efficient producers.
Our name obliges us to maintain a tradition:
we are RuhrZink GmbH.
Lead / Silver Concentrates
 |
Durchschn. Ruhr-Zink | ||
| Pb | 35 - 45 % | (40 %) | |
| Ag | 0,03 - 0,05 % | (0,04 %) | |
| H2O | 16 - 20 % | (18 %) | |
| S | 10 - 12 % | (11 %) | |
| CaO | 4 - 7 % | (6 %) | |
| Zn | 3 - 6 % | (4 %) | |
| Fe | 1 - 4 % | (2 %) | |
| SiO2 | 1 - 3 % | (1,8 %) | |
| Cu | 0,02 - 0,08 % | (0,05 %) | |
| As | 0,05 - 0,07 % | (0,06 %) | |
| Al2O3 | 0,4 - 1 % | (0,6 %) | |
| Se/Te | jeweils < 0,001 % | (0,0005 %) | |
| F | < 0,01 % | (0,009 %) |
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