Be sure to install at least 1 digital readout CO detector in your home. Carbon monoxide detector test kits can be purchased where you buy your CO detector. They include a small container full of gas at a high CO concentration, usually up to 1000 ppm and a plastic housing that you put around the detector for the test.The alarm will certainly sound during this test, so be prepared.tep 3: Test Digital Readout CO Detectors with a Low Level CO Source. To confirm that a digital readout CO detector is detecting carbon monoxide, test it with a substance that will detect low levels of the gas, such as a lit cigarette or a lit incense wand.
2) The formula for easy temporary hair dye is to mix one packet of unsweetend Kool-Aid with, 1/4 cup hair conditioner and 1 tablespoon white vinegar To get this pretty color purple â mix 1/3 cup hair conditioner with 1 packet of blue, with half a packet red and 1 tablespoon yellow Kool-Aid, and a little more than 1 tablespoon white vinegar.
Thermochromic inks or dyes are temperature sensitive compounds, developed in the 1970s, that temporarily change color with exposure to heat. They come in two forms, liquid crystals and leuco dyes.Leuco dyes are easier to work with and allow for a greater range of applications.These applications include: flat thermometers, battery testers, clothing, and the indicator on bottles of maple syrup that change color when the syrup is warm.hey come in two forms, liquid crystals and leuco dyes. Leuco dyes are easier to work with and allow for a greater range of applications. These applications include: flat thermometers, battery testers, clothing, and the indicator on bottles of maple syrup that change color when the syrup is warm.