I originally reviewed What Color Is Your Parachute? in five parts, which you can find here, here, here, here, and here if you would like to read the original comments. What Color Is Your Parachute? is the eighteenth of fifty-two books in The Simple Dollarâs series 52 Personal Finance Books in 52 Weeks.
Thallium is extremely soft, malleable and sectile enough to be cut with a knife at room temperature. It has a metallic luster that, when exposed to air, quickly tarnishes to a bluish-gray tinge, resembling lead. It may be preserved by immersion in oil. A heavy layer of oxide builds up on thallium if left in air.
Reliable and accurate ways to measure thallium in the body are available. The presence of thallium in the urine and hair can indicate exposure to thallium. Tests of your urine can detect thallium up to 2 months. The normal amount of thallium in human urine amounts to less than 1 ppm and 5iÂ¿5Ã¯ Â½10 ppb in human. hair