| http://www.w3.org/ns/prov#value | - For example, in one embodiment, calcium sulfate is in the capping solution with a concentration in the range from about 0.005 g/L to about 1 g/L, preferably from about 0.05 g/L to about 0.3 g/L. CaSO4 is also a calcium source when Ca is a desired component of the capping alloy.
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