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EC number: 266-002-0
CAS number: 65996-69-2
The fused substance formed by the action of a flux upon the gangue of the iron-bearing materials charged to a blast furnace and upon the oxidized impurities in the iron produced. Depending upon the particular blast furnace operation, the slag is composed primarily of sulfur and oxides of aluminum, calcium, magnesium, and silicon.
No biodegradation of inorganic ionic substances
Since slags are inorganic UVCB similar to natural rock, there is no need
to perform any study on biodegradation. 1000 years taken as a default
value for half-life in soil
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