| http://www.w3.org/ns/prov#value | - Soluble silicate or "soluble silicate-monovalent metal complex refers to a silicate composition of the general formula M2 O???(SiO2)m ???(H2 O)n, where m and n are integers and M is an alkali metal, i.e., lithium, sodium, potassium, rubidium, cesium, or francium, most commonly lithium (Li), sodium (Na), or potassium (K).
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