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单词 θ67414
释义
the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > other analytical techniques > apparatus (3)
alkalimeter1807

Any of various instruments for measuring the amount or strength of alkali volumetrically.

kalimeter1890

seealkalimeter, n., etc.

quinhydrone electrode1921

a device for measuring pH comprising an electrode (usually made of platinum) immersed in a test solution to which quinhydrone has been added…

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更新时间:2024/11/11 4:18:32