计算溶液所需的质量、体积或浓度。
BioReagent 级 ,适用于对基线干扰要求严格的色谱和分析工作流程。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
溴百里香酚蓝 (Bromothymol Blue),又名溴麝香草酚蓝,是一种酸碱指示剂、吸附指示剂,化学式为C₂₇H₂₈Br₂O₅S,易溶于乙醇﹑醚﹑甲醇及稀氢氧化碱溶液。酚红是一种三苯甲烷型有机试剂,分子式C₁₉H₁₄O₅S,分子量 354.38,深红色结晶粉末。能溶于乙醇、氢氧化钠和碳酸钠溶液,微溶于水,不溶于三氯甲烷和醚。主要用作酸碱指示剂。
溴百里酚蓝-酚红指示剂是一种混合指示剂,终点附近指示剂颜色变化的参考颜色:pH7.2为暗绿色,pH7.4为淡绿色,放置后颜色会逐渐退去。
操作步骤(仅供参考):
按实验具体要求操作。
注意事项:
1、为了您的安全和健康,请穿实验服并戴一次性手套操作。
2、本产品仅供科研使用,严禁它用。
Bromothymol Blue, also known as dibromothymolsulfonphthalein, is an acid-base indicator and adsorption indicator with the chemical formula C₂₇H₂₈Br₂O₅S. It is easily soluble in ethanol, ether, methanol, and dilute alkali hydroxide solutions. Phenol Red is a triphenylmethane-type organic reagent with the molecular formula C₁₉H₁₄O₅S and a molecular weight of 354.38. It is a dark red crystalline powder, soluble in ethanol, sodium hydroxide, and sodium carbonate solutions, slightly soluble in water, and insoluble in chloroform and ether. It is mainly used as an acid-base indicator.
Bromothymol Blue-Phenol Red Indicator is a mixed indicator. The reference colors of the indicator near the endpoint are: pH 7.2, dark green; pH 7.4, light green. The color will gradually fade after standing.
Procedure (for reference only):
Operate according to the specific requirements of the experiment.
Precautions:
1. For your safety and health, please wear a laboratory coat and disposable gloves during operation.
2. This product is for research use only and strictly prohibited for other uses.