Mercury determination

Details Mercury determination Mercury determination

1996-11-26

1998-03-31

Wallenhorst, Maureen M.

Chemistry: analytical and immunological testing

Metal or metal containing

Zn, cd, hg, sc, y, or actinides, or lanthanides

436161, 436164, 436167, 436177, 436178, 436181, 436182, 422 55, 422 681, 422 80, 422 83, 95134, G01N 3320

Patent

active

057337861

ABSTRACT:
A method is described for quantitative determination of mercury present in a sample (liquid or solid). The method involves converting mercury compounds to elemental mercury, removing all elemental mercury from the sample in vapor form by means of vacuum, passing the mercury vapor through a column which absorbs and captures all of the mercury vapor by converting it to a halide compound, eluting the mercury halide from the column, and colorimetrically analyzing for the amount of mercury halide collected.

REFERENCES:
patent: 3713776 (1973-01-01), Capvano
patent: 4101631 (1978-07-01), Ambrosini et al.
patent: 4125376 (1978-11-01), Razulis
patent: 4814152 (1989-03-01), Yan
patent: 4920057 (1990-04-01), Castaneda
patent: 5202301 (1993-04-01), McNamara
patent: 5300137 (1994-04-01), Weyand et al.
patent: 5487871 (1996-01-01), McDow et al.

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