Water-based colourimetric optical indicators for the detection of carbon dioxide
Water-based colourimetric optical indicators for the detection of carbon dioxide
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DOI：
10.1039/c000688b
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发表时间：
2010-01-01
期刊：
影响因子：
4.2
通讯作者：
Skinner, Graham A.
中科院分区：
文献类型：
--
作者：
Mills, Andrew;Skinner, Graham A.
与类似的溶剂型对应物相比，水基比色指示剂膜在环境条件下显示出增加的操作寿命。的响应和灵敏度特性的水基，二氧化碳响应油墨的特点和比较，并与那些类似的溶剂型指示剂。的油墨中所含的碱（碳酸氢钠）和增塑剂（甘油）的量的函数的响应特性的变化的报告，是不同的环境温度和湿度的影响。将墨水掺入毡尖笔中并施加到许多不同的基底上，当存在足够水平的二氧化碳时，在所有测试表面上产生明显的可逆颜色变化。简要讨论了该指标的可能应用。
Water-based colourimetric indicator films are shown to have increased operational lifetimes under ambient conditions compared to similar solvent-based counterparts. The response and sensitivity characteristics of a water-based, carbon dioxide-responsive ink are characterised and compared and contrasted to those of a similar solvent-based indicator. The changes in the response characteristics of the ink as a function of the amount of base (sodium hydrogen carbonate) and plasticizer (glycerol) contained in the ink are reported, as are the effects of varying ambient temperature and humidity. The ink is incorporated into a felt tip pen and applied to a number of different substrates, producing a distinct, reversible colour change on all tested surfaces, when a sufficient level of carbon dioxide is present. The possible application of the indicator is discussed briefly.