| bromphenol b. |
an indicator, tetrabromophenolsulfonphthalein, used in determining hydrogen ion concentration, being yellow at pH 3.0 and blue at pH 4.6. Written also bromophenol b.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| bromphenol r. |
an indicator, dibromphenolsulfonphthalein, used in determining hydrogen ion concentration, being yellow at pH 5.2 and red at pH 6.8. Written also bromophenol r.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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