Bromothyl Blue is a liquid that can detect presence Co2 put in water. It starts to change its color from blue to green, as it detects the presence of the Co2 in the water. It can be toxic, but can also be made in a none toxic form.
The Bromothymol Blue is a very useful acid-base indicator. However, it cannot be used to know the exact pH of a solution. This indicator is a true yellow under 6.0 pH and is blue over 7.6 pH. Because...