227Ac is highly radioactive and experiments with it are carried out in a specially designed laboratory equipped with a glove box and radiation shielding. When actinium trichloride is administered intravenously to rats, about 33% of actinium is deposited into the bones and 50% into the liver. Its toxicity is comparable to, but slightly lower than that of americium and plutonium.
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Famous quotes containing the word precautions:
“We must take precautions against being prematurely honed sharpsince at the same time we are being prematurely honed thin.”
—Friedrich Nietzsche (18441900)
“A multitude of little superfluous precautions engender here a population of deputies and sub-officials, each of whom acquits himself with an air of importance and a rigorous precision, which seemed to say, though everything is done with much silence, Make way, I am one of the members of the grand machine of state.”
—Marquis De Custine (17901857)
“It is so manifestly incompatible with those precautions for our peace and safety, which all the great powers habitually observe and enforce in matters affecting them, that a shorter water way between our eastern and western seaboards should be dominated by any European government, that we may confidently expect that such a purpose will not be entertained by any friendly power.”
—Benjamin Harrison (18331901)