Method and apparatus for sampling atmospheric mercury

Title: Method and apparatus for sampling atmospheric mercury

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Abstract

A method of simultaneously sampling particulate mercury, organic mercurial vapors, and metallic mercury vapor in the working and occupational environment and determining the amount of mercury derived from each such source in the sampled air. A known volume of air is passed through a sampling tube containing a filter for particulate mercury collection, a first adsorber for the selective adsorption of organic mercurial vapors, and a second adsorber for the adsorption of metallic mercury vapor. Carbon black molecular sieves are particularly useful as the selective adsorber for organic mercurial vapors. The amount of mercury adsorbed or collected in each section of the sampling tube is readily quantitatively determined by flameless atomic absorption spectrophotometry.

Inventors:

Trujillo, Patricio E ^[1]; Campbell, Evan E ^[2]; Eutsler, Bernard C ^[2]

Santa Fe, NM
Los Alamos, NM

Issue Date:: 1976-01-20

Research Org.:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

OSTI Identifier:: 862450

Patent Number(s):: 3933431

Assignee:: United States of America as represented by United States Energy (Washington, DC)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION

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G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N2001/2261 - {preventing condensation
G01N30/00 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D53/0415 - {Beds in cartridges}

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N33/0045 - {for Hg}

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D2253/106 - Silica or silicates
B01D2253/308 - Pore size

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02A - TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
Y02A50/20 - Air quality improvement or preservation

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D2253/102 - Carbon
B01D2259/4541 - for portable use, e.g. gas masks
B01D2258/06 - Polluted air

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N1/2214 - {by sorption}

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D2257/602 - Mercury or mercury compounds

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N1/2258 - {in a stack or chimney}

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DOE Contract Number:: W-7405-ENG-36

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: method; apparatus; sampling; atmospheric; mercury; simultaneously; particulate; organic; mercurial; vapors; metallic; vapor; occupational; environment; determining; amount; derived; source; sampled; air; volume; passed; tube; containing; filter; collection; adsorber; selective; adsorption; carbon; black; molecular; sieves; particularly; useful; adsorbed; collected; section; readily; quantitatively; determined; flameless; atomic; absorption; spectrophotometry; tube containing; sampled air; molecular sieves; atomic absorption; molecular sieve; particularly useful; carbon black; mercury vapor; sampling tube; quantitatively determine; /436/73/95/96/422/502/

Citation Formats


                    Trujillo, Patricio E, Campbell, Evan E, and Eutsler, Bernard C. Method and apparatus for sampling atmospheric mercury.  United States: N. p., 1976. 
        Web.

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                    Trujillo, Patricio E, Campbell, Evan E, & Eutsler, Bernard C. Method and apparatus for sampling atmospheric mercury.  United States.

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                    Trujillo, Patricio E, Campbell, Evan E, and Eutsler, Bernard C. Tue .  
        "Method and apparatus for sampling atmospheric mercury".  United States.  https://www.osti.gov/servlets/purl/862450.

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@article{osti_862450,

  title        = {Method and apparatus for sampling atmospheric mercury},

  author       = {Trujillo, Patricio E and Campbell, Evan E and Eutsler, Bernard C},

  abstractNote = {A method of simultaneously sampling particulate mercury, organic mercurial vapors, and metallic mercury vapor in the working and occupational environment and determining the amount of mercury derived from each such source in the sampled air. A known volume of air is passed through a sampling tube containing a filter for particulate mercury collection, a first adsorber for the selective adsorption of organic mercurial vapors, and a second adsorber for the adsorption of metallic mercury vapor. Carbon black molecular sieves are particularly useful as the selective adsorber for organic mercurial vapors. The amount of mercury adsorbed or collected in each section of the sampling tube is readily quantitatively determined by flameless atomic absorption spectrophotometry.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1976},

  month        = {1}

}

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