日韩午夜av一区,日韩高清不卡一区,国产精品一区二区不卡 http://www.mimgu.com The Leading Supplier of China Amine Catalysts Mon, 17 Apr 2023 05:35:03 +0000 zh-CN hourly 1 https://wordpress.org/?v=6.1.7 http://www.mimgu.com/wp-content/uploads/2023/12/1.jpg Dimethylethanolamine pH value – Amine Catalysts http://www.mimgu.com 32 32 Dimethylethanolamine pH value http://www.mimgu.com/archives/42857 Mon, 17 Apr 2023 05:35:03 +0000 http://www.mimgu.com/archives/42857 Dimethylethanolamine has a pH of 9.3. This means it is a basic substance. Alkaline substances have a pH greater than 7. They are corrosive to metals and irritating to the skin and eyes.

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