Chinese–Uyghur
氢离子浓度指数
Meaning in Uyghur
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ھىدروگىن ئىئونىنىڭ قويۇقلۇق كۆرسەتمىسى【qīng lí zǐ nóng dù zhǐ shù】
【解释】
表示溶液酸性或碱性程度的数值,即所含氢离子浓度的常用对数的负值。如某溶液所含氢离子浓度为每升10-5克,它的氢离子浓度指数就是5。氢离子浓度指数一般在0至14之间,当它为7时,溶液呈中性;小于7时呈酸性,值愈小,酸性愈强;大于7时呈碱性,值愈大,碱性愈强。通称pH值。
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