[Statistical review of the chemical-petrographic determination of free silica in clay materials].
D000538:Aluminum Silicates; D000077215:Clay; D006801:Humans; D012822:Silicon Dioxide / Q000032:analysis*
D000538:Aluminum Silicates; D012822:Silicon Dioxide; D000077215:Clay
SILICA/determination
Sintesi statistica di determinazioni chimico-petrografiche della silice libera in materiali argillosi.