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A monochromatic light beam is passed through this sample, and a detector records the change in intensity and, hence, the change in color, which is used to calculate the percent alcohol in the breath. However, since potassium dichromate is a strong oxidizer, numerous alcohol groups can be oxidized by it, producing false positives .
An ignition interlock device or breath alcohol ignition interlock device (IID or BAIID) is a breathalyzer for an individual's vehicle. It requires the driver to blow into a mouthpiece on the device before starting or continuing to operate the vehicle.
Cyanopsia primarily affects the retina, the light-sensitive layer at the back of the eye, and sometimes the optic nerve, which transmits visual signals to the brain. The retina contains specialized cells called photoreceptors, which are responsible for detecting light and color. In cyanopsia, these photoreceptors, particularly the ones ...
An intermediate of the deprotonation mechanism is responsible for the greenish color in neutral solution. [ 2 ] The protonated form of bromothymol blue has its peak absorption at 427 nm thus transmitting yellow light in acidic solutions, while the deprotonated form has its peak absorption at 602 nm thus transmitting blue light in more basic ...
A strict Chinese mother recently went viral on social media for making her daughter take breathalyzer tests when she returns home at night to ensure she is not drinking alcohol. The widely shared ...
Getting a good night's sleep can be a little more challenging amid the hype of the holidays. With changes in routine, diet and potentially time zones, quality sleep could be difficult to come by ...
Iridescence is an optical phenomenon of surfaces in which hue changes with the angle of observation and the angle of illumination. [ 2 ] [ 3 ] It is often caused by multiple reflections from two or more semi-transparent surfaces in which phase shift and interference of the reflections modulates the incidental light , by amplifying or ...
She was taken to the school’s nurse’s office, and agreed to take a Breathalyzer test. It recorded a blood alcohol level of 0.06%. In South Carolina, it’s illegal drive with a blood alcohol ...