What's the adjective for aluminate? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs alum, aluminize, aluminise and aluminumize which may be used as adjectives within certain contexts.
“The liquid is next pumped into the settlers, in which it deposits its ferric and aluminic oxides and sulphate of lime.”
“At the same time, for economic, technical and environmental reasons, primarily pozzolanic additions, some of which are aluminic in chemical character, are included in Portland cements.”