عرض للطباعة
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كان لوريتز سورنسن كيميائيًا دنماركيًا ، اشتهر بإدخال مفهوم الأس الهيدروجيني ، وهو مقياس لقياس الحموضة والقلوية. ويكيبيديا https://www.google.com/search?ie=UTF...d=%2Fm%2F0k4zk
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