Fototapeta Male chemist holds test tube of glass in his hand overflows a liquid solution of potassium permanganate conducts an analysis reaction takes various versions of reagents using chemical manufacturing.

Male chemist holds test tube of glass in his hand overflows a liquid solution of potassium permanganate conducts an analysis reaction takes various versions of reagents using chemical manufacturing.

Numer zdjęcia: 816618907, autor: © H_Ko

Tytuł: Male chemist holds test tube of glass in his hand overflows a liquid solution of potassium permanganate conducts an analysis reaction takes various versions of reagents using chemical manufacturing.

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