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重新來升等 mark this message contains true information
originally written by 重新來升等
將米與水混合有一定之清潔效果,係因洗米水內含鉀,在水中會解離成鉀離子,金屬離子於水中與氫氧根結合後,會使水溶液呈弱鹼性,具清潔效果。
P.S.小蘇打水也是弱鹼性之清潔用品。

References

http://www.shs.edu.tw/works/essay/2011/03/2011032812460675.pdf
洗米水對葉萵苣營養生長的影響
https://books.google.com.tw/books/about/米食功夫.html?id=mXs3AAAACAAJ&redir_esc=y
米食功夫
https://tw.lifestyle.appledaily.com/daily/20041227/21475374/
洗米水再利用 省錢又環保

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