Seeing the hospital using a wrong ratio to dilute sodium hypochlorite for doing an ineffective disinfection job every day, Angelo Wan and his team solve this problem by creating a digital meter, MIZU Bleach Meter, for measuring the concentration of diluted bleach. To a...

香港用1:99比例,台灣用1:100例,其差異不大,然而,市面購得到的漂白水濃度是否在5.25%以上才是重點。請免費下載香港選網上擇月刊_過往期刊2003年319期,和2009年393期,因為原液濃度不足,無法保證依比例泡製可以得到500ppm。
https://echoice.consumer.org.hk/issue/all

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