| http://www.w3.org/ns/prov#value | - In some embodiments, the invention provides for carbon containing compositions, e.g., synthetic carbon containing compositions with ??13C values less than ???5% that further comprise SOx or derivatives thereof and a heavy metal, e.g. arsenic, beryllium, boron, cadmium, chromium, chromium VI, cobalt, lead, manganese, mercury, molybdenum, selenium, strontium, thallium, and vanadium, or derivatives t
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