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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Bromophenol blue ： ウィキペディア英語版 Bromophenol blue |Section2= |Section3= }} Bromophenol blue (''3',3",5',5"-tetrabromophenolsulfonphthalein'', BPB,〔Reaxys. Bromophenol blue (115-39-9) Chemical Names and Synonyms.〕 albutest〔PubChem Compound. Bromphenol Blue - Compound Summary. http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=8272&loc=ec_rcs〕) is used as a pH indicator, a color marker, and a dye. It can be prepared by slowly adding excess bromine to a hot solution of phenolsulfonphthalein in glacial acetic acid.〔PubChem Compound. Bromphenol Blue - Use and Manufacturing. http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=8272&loc=ec_rcs〕 ==Acid-base indicator== As an acid-base indicator, its useful range lies between pH 3.0 and 4.6. It changes from yellow at pH 3.0 to blue at pH 4.6; this reaction is reversible. Bromophenol blue is structurally related to phenolphthalein (a popular indicator). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bromophenol blue」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.