Added: 2 years ago
From: cheerbellehk
Views: 4,408
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  • 古典實驗,很好。

    但是只能夠証明該產品有含碳的化合物,並非証明該產品是天然或合­成,必要時需使用精密儀器( 如HPLC分析儀)去檢驗。

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