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Firing temperature : Reduction: 1280℃
天草撰中
If it does get on your skin
ワグネル氏は深海平左衛門、墨之助、竹治父子にドイツでは青の色を出すのにコバルトを用いている事を伝えます。
明治3(1870)年、ドイツ人化学者ワグネルが有田に来ます。それは彼が科学に詳しかったからです。
21027天然柞灰(1.8L) gosu-underglazes Firing temperature : Reduction: 1280℃[Firing conditions for sample plates] Clay components <br>For porcelain: Amakusa Senchu (SiO2 72. 04% Al2O3 18. 16% Fe2O3 0. 65% TiO2 0. 04% CaO 0. 49% MgO 0. 09% Na2O 0. 58% K2O 3. 00% Ig. Loss 4. 55%) Firing temperature : Reduction: 1280 Glazing : Baume concentration 50 (soak for about 3 seconds) [How to use] Soil type: porcelain, pottery Possible firing method: oxidation and reduction possible Appropriate firing temperature: 1230 1300 Baume
