關於花水純露的變質問題 - 芳療

By Barb Cronin
at 2007-12-29T15:10
at 2007-12-29T15:10
Table of Contents
各位好:我有逛精華區看到有板友提到要知道花水純露有無變質,
可以用試紙測試PH值。但是請問一下如何界定多少PH值是變質的?
每一種純露的PH值都不一樣的情況之下,怎麼分辨變質與否?
在請問一下,測試的試紙要去哪邊買?感謝!
--
可以用試紙測試PH值。但是請問一下如何界定多少PH值是變質的?
每一種純露的PH值都不一樣的情況之下,怎麼分辨變質與否?
在請問一下,測試的試紙要去哪邊買?感謝!
--
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芳療
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