| http://www.w3.org/ns/prov#value | - Property: Colorless, transparent and smoky liquid with penetrating odor; highly acidic; soluble in water and volatile; with disinfecting action; corrosive to glass, ceramics, lead and other metals; highly corrosive to human skin and harmful to people???s respiratory organs; keep it in a container made of plastics. (http://www.alibaba.com/product-gs/523747967/Fluosilicic_Acid.html [5])
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