phenolphthalein
酚酞
常用释义
英式发音
美式发音
基本释义
- n. [试剂] 酚酞（一种测试碱性的试剂，可作刺激性泻剂）
例句
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1·Phenolphthalein diphosphate pyridine salt;酚酞二磷酸酯吡啶盐；
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2·Phenolphthalein diphosphate tetrasodium salt hydrate; CAS…询价酚酞二磷酸四钠水合物；
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3·Acid calibration potassium hydroxide, to phenolphthalein as indicator.钾标定，以酚酞为指示剂。
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4·Phenolphthalein or indicator of such a kind is used as colour indicator.本发明还可加入酚酞或酚酞类酸碱指示剂作显色指示。
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5·Phenolphthalein: This chemical is an organic dye that is toxic in large quantities.酚酞：这个化学药品是一个有机染料，大剂量是有毒的。
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6·Bromoc-resol Green and Phenolphthalein-Thymolphthalein were selected as indicators.选择溴甲酚绿和酚酞一百里酚酞为指示剂。
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7·Soluble in water, its aqueous solution is strongly alkaline, can phenolphthalein red.易溶于水，其水溶液呈 强碱性，能使 酚酞变红。
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8·It is reacted with phenol to produce phenolphthalein, used as an indicator, a dye, and a pharmaceutical.它与酚反应生产酚酞，可用作指示剂、染料和医药。
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9·The causes of producing error results were analyzed at detecting alkaline cell seal characteristics, using phenolphthalein solution.分析了用酚酞试剂检测碱性电池密封性能产生错误结果的原因。
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10·The colored solidified alcohol has been prepared by utilizing alcohol, stearic acid, sodium hydroxide, phenolphthalein, copper nitrate and cobalt nitrate.运用酒精、硬脂酸、氢氧化钠、酚酞、硝酸铜、硝酸钴等原料，制备彩色固体酒精。