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Title: Method and apparatus for sampling atmospheric mercury

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:
 [1];  [2];  [2]
  1. Santa Fe, NM
  2. Los Alamos, NM
Issue Date:
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
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.
Trujillo, Patricio E, Campbell, Evan E, & Eutsler, Bernard C. Method and apparatus for sampling atmospheric mercury. United States.
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.
@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}
}

Patent:

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