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乙基蓝法测定空气中的硫化氢是将硫化氢气体吸收在醋酸锌溶液中形成硫化锌。在酸性介质中硫化锌与对乙基蓝氨基苯胺反应,再
Ethyl Blue Determination of hydrogen sulfide in the air is the hydrogen sulfide gas absorbed in zinc acetate solution to form zinc sulfide. Zinc sulfide in acidic media and ethyl blue amino aniline reaction, and then