rock bombsIn the copper ore smelting process, metal ions such as As, Cu, Zn, Ni, and Pb in the solution are usually precipitated by the sulfidation method, that is, sodium hydrogen sulfide, sodium sulfide or hydrogen sulfide gas is added to make the metal ions form sulfide Form precipitation, result

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Nanjing Binglab (https://www.njbinglab.com/) is a professional manufacturer of laboratory products, engaged in the production, development and sales of high-tech trace analytical laboratory containers, to fill the gap in China.Ⅰ. Select a suitable laboratory analysis environmentLaboratories performi

Nanjing Binglab (https://www.njbinglab.com/) is a professional manufacturer of laboratory products, engaged in the production, development and sales of high-tech trace analytical laboratory containers, to fill the gap in China.

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lab jokesCondenser is a kind of glass instrument that uses the principle of heat exchange to cool and condense condensable gas into liquid. There are three types: straight, spherical and serpentine. Reflux tube for reflux or distillation in organic chemical experiments. According to the application,