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Citation: Guangya Zhang, Jie Li, Han Zhang, Suzhi Li, Shumin Chen. 双色流荧——基于氨气制备的鲁米诺双色荧光喷泉[J]. University Chemistry, ;2022, 37(5): 211001. doi: 10.3866/PKU.DXHX202110011 shu

双色流荧——基于氨气制备的鲁米诺双色荧光喷泉

College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, Henan Province, China

Corresponding author: Shumin Chen, chensm2014@163.com
Received Date: 8 October 2021

基于氨气的制备、收集和尾气处理装置来设计溶液反应，利用氨气易溶于水导致瓶内外大气压瞬间失衡的性质实现喷泉实验。通过简单易行的操作，基于鲁米诺发光反应和无色酚酞溶液遇碱变色反应，成功实现了双色荧光喷泉实验。本实验的目的是普及基础化学中氨气的性质和鲁米诺遇血发出明亮的蓝光的特性，介绍鲁米诺发光的原理，让参观者解开悬疑侦探片中喷洒试剂就可以显示出肉眼不可见血迹的疑惑，切身感受化学之趣。
- Luminol luminescence,
- Double fountain experiment,
- Ammonia,
- Multicolor fluorescence
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