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Title: Method for removal of phosgene from boron trichloride

Abstract

Selective ultraviolet photolysis using an unfiltered mercury arc lamp has been used to substantially reduce the phosgene impurity in a mixture of boron trichloride and phosgene. Infrared spectrophotometric analysis of the sample before and after irradiation shows that is is possible to highly purify commercially available boron trichloride with this method.

Inventors:
 [1]
  1. Santa Fe, NM
Issue Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
OSTI Identifier:
864704
Patent Number(s):
4405423
Assignee:
Freund, Samuel M. (Santa Fe, NM)
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; removal; phosgene; boron; trichloride; selective; ultraviolet; photolysis; unfiltered; mercury; lamp; substantially; reduce; impurity; mixture; infrared; spectrophotometric; analysis; sample; irradiation; highly; purify; commercially; available; boron trichloride; commercially available; substantially reduce; ultraviolet photolysis; /204/

Citation Formats

Freund, Samuel M. Method for removal of phosgene from boron trichloride. United States: N. p., 1983. Web.
Freund, Samuel M. Method for removal of phosgene from boron trichloride. United States.
Freund, Samuel M. Sat . "Method for removal of phosgene from boron trichloride". United States. https://www.osti.gov/servlets/purl/864704.
@article{osti_864704,
title = {Method for removal of phosgene from boron trichloride},
author = {Freund, Samuel M},
abstractNote = {Selective ultraviolet photolysis using an unfiltered mercury arc lamp has been used to substantially reduce the phosgene impurity in a mixture of boron trichloride and phosgene. Infrared spectrophotometric analysis of the sample before and after irradiation shows that is is possible to highly purify commercially available boron trichloride with this method.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1983},
month = {1}
}

Patent:

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