Silvia 蒸氣金屬味 - 咖啡討論
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By Regina
at 2018-11-28T10:36
at 2018-11-28T10:36
Table of Contents
古時候有「青銅器時代」,原因就是 Cu 和 空氣中的CO2 產生氧化還原反應,呈現綠色!如果是Cu2+離子溶液則是藍色。
你可以用蒸氣多噴幾次、check tank內還有沒有銅綠即可
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Sent from JPTT on my iPhone
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你可以用蒸氣多噴幾次、check tank內還有沒有銅綠即可
-----
Sent from JPTT on my iPhone
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咖啡
All Comments
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By Kumar
at 2018-12-02T17:04
at 2018-12-02T17:04
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