Determination of Total Mercury Levels in Natural Waters

S Nishi; Y Horimoto

doi:10.1520/STP38995S

SYMPOSIA PAPER Published: 01 January 1975

STP38995S

Determination of Total Mercury Levels in Natural Waters

Source

A rapid and simple preconcentration technique for the determination of trace amounts of mercury in natural waters has been studied. A 1-liter water sample is pretreated by conventional methods using permanganate and sulfuric acid. Mercury(II) ion formed is reduced to elemental mercury which is aerated and caught in a gold trap. The trapped mercury is released by heating the gold trap and driven into a photometer. A 0.01 ppb level of mercury in natural water is determined successfully.

Author Information

Nishi, S

National Chemical Laboratory for Industry, Tokyo, Japan

Horimoto, Y

National Chemical Laboratory for Industry, Tokyo, Japan

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Details

Developed by Committee: D19

Pages: 25–29

DOI: 10.1520/STP38995S

ISBN-EB: 978-0-8031-5584-8

ISBN-13: 978-0-8031-5526-8

Determination of Total Mercury Levels in Natural Waters

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