| 单词 | thymol blue |
| 释义 | thymol blue [thī´mȯl `blü] ORGANIC CHEMISTRY C6H4SO2OC[C6H2(CH3)(OH)- CH(CH3)2]2 Brown-green crystals soluble in alcohol and dilute alkalies, insoluble in water, decomposes at 223°C; used as acid-base pH indicator. |
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