Barium in welding fume

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      <subfield code="a">Barium in welding fume</subfield>
      <subfield code="c">P.R.M. Dare... [et al.]</subfield>
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      <subfield code="a">Electrodes containing barium compounds as fluxes for use in arc welding have been examined. Fume from a cored-wire electrode with barium fluoride flux was found to contain more than 16% barium, which was substantially soluble in water or dilute acid. Exposure of a group of welders to such fume resulted on elevated barium urinary levels. Fume from stick electrodes having barium carbonate in their fluxes contained about 15-30% barium in readily soluble form. Recommendations are made concerning the control of occupational exposure of welders to barium</subfield>
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      <subfield code="t">The Annals of occupational hygiene</subfield>
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      <subfield code="g">nº 4, 1984 ; p. 445-448</subfield>
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