| 摘要 |
A hyaline additive for synthesizing tree ash and a synthetic ash composition containing the additive are provided to synthesize tree ash for glost more easily artificially. A hyaline additive for synthesizing tree ash is prepared by calcination of mixture comprising 60-75% by weight of limestone(CaCO3), 10-20% by weight of silica(SiO2) and 10-30% by weight of sodium carbonate(Na2CO3). The silica is rice-straw ash. The synthetic ash composition containing the additive comprises limestone and at least one selected from a group consisting of feldspar, synthetic bone, Kaoline, magnesium carbonate(MgCO3), ferric oxide(Fe2O3), titanium oxide(TiO2), manganese oxide(MnO), silicon oxide(SiO2) and aluminum hydroxide(Al(OH)3) in addition to the hyaline additive and more limestone. The kind of the ingredients and the composition of the additive are properly regulated depending on the desired tree ash. Following putting the glost containing the synthetic tree ash for being tempered in water on the substrate object, the composition of the synthetic tree ash is almost the same as natural tree ash after calcination.
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