31 resultados para mercury preconcentration
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Mode of access: Internet.
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Imprint varies.
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A process has been developed for the removal of chromium, copper, iron, manganese, nickel, lead, tin, and zinc impurities from an acid aqueous solution of americium chloride using a mercury cathode cell operating at 5-10 amperes and 16-18 volts. The americium is not affected. The process may also be used to remove other impurity elements.
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Editors: Nov. 1919-Sept-1934, J.C. Squire; Oct. 1934-Apr. 1939, R.A. Scott-James.
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Mode of access: Internet.
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At head of title: GD/A 63-0916.
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Mode of access: Internet.
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At head of title: U.S. Coast and Geodetic Survey.
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"May 1982."
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"32829"--Colophon.
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Over the last two years, Governor Blagojevich and the Illinois General Assembly have enacted a number of laws to reduce the health risks associated with the use and disposal of consumer, household and commercial products that contain mercury. These products include thermometers, switches, electrical relays and scientific instruments used in schools. The purpose of these laws is to reduce mercury releases into the environment. Mercury is a strong neurotoxin that can be harmful to the health of humans and wildlife. Mercury exposure poses a particular risk to young children and pregnant women because mercury may inhibit the development of the brain and nervous system. This report presents recommendations for improving efforts to reduce and recycle mercury components that are found in thermostats and motor vehicles. Illinois EPA prepared the report in response to Public Act 93-0964. In drafting the report, Illinois EPA conducted research on mercury reduction and recycling programs in other states, reviewed technical studies and consulted with officials in the private and public sectors.
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"July 2008"
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Verso of t.p. and p. [36] blank.
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Goldsmiths'-Kress no. 25532.
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Mode of access: Internet.