Búsqueda

Analysis of airborne dust samples for chrysotile by X-ray diffraction : interference by non-asbestiform serpentine

<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
  <record>
    <leader>00000nab a2200000 i 4500</leader>
    <controlfield tag="001">MAP20071017426</controlfield>
    <controlfield tag="003">MAP</controlfield>
    <controlfield tag="005">20080418115045.0</controlfield>
    <controlfield tag="007">hzruuu---uuuu</controlfield>
    <controlfield tag="008">940217s1982    gbr||||    | |00010|eng d</controlfield>
    <datafield tag="035" ind1=" " ind2=" ">
      <subfield code="a">6800003282</subfield>
    </datafield>
    <datafield tag="040" ind1=" " ind2=" ">
      <subfield code="a">MAP</subfield>
      <subfield code="b">spa</subfield>
    </datafield>
    <datafield tag="084" ind1=" " ind2=" ">
      <subfield code="a">872</subfield>
    </datafield>
    <datafield tag="100" ind1="1" ind2=" ">
      <subfield code="0">MAPA20080141202</subfield>
      <subfield code="a">Middleton, A.P.</subfield>
    </datafield>
    <datafield tag="245" ind1="1" ind2="0">
      <subfield code="a">Analysis of airborne dust samples for chrysotile by X-ray diffraction</subfield>
      <subfield code="b">: interference by non-asbestiform serpentine</subfield>
      <subfield code="c">A.P. Middleton</subfield>
    </datafield>
    <datafield tag="520" ind1=" " ind2=" ">
      <subfield code="a">In the course of investigating differences between results obtained for the analysis of chrysotile in airborne dust samples by TEM and by XRD, it has been established by EdXA and electron diffractio that the source dusts contain (in addition to chrysotile) particles of the non-asbestiform serpentine polymorphs,antigorite and probably lizardite. These appear to be present in sufficient quantities to cause significant interference with the 002 and 004 reflections of chrysotile, leading to serious over-estimation of the chrysotile content of samples, when using conventional X-ray diffractometer geometry</subfield>
    </datafield>
    <datafield tag="650" ind1="1" ind2="1">
      <subfield code="0">MAPA20080585679</subfield>
      <subfield code="a">Higiene industrial</subfield>
    </datafield>
    <datafield tag="650" ind1="1" ind2="1">
      <subfield code="0">MAPA20080605278</subfield>
      <subfield code="a">Contaminantes químicos</subfield>
    </datafield>
    <datafield tag="650" ind1="1" ind2="1">
      <subfield code="0">MAPA20080542832</subfield>
      <subfield code="a">Amianto</subfield>
    </datafield>
    <datafield tag="650" ind1="1" ind2="1">
      <subfield code="0">MAPA20080550318</subfield>
      <subfield code="a">Crisotilo</subfield>
    </datafield>
    <datafield tag="650" ind1="1" ind2="1">
      <subfield code="0">MAPA20080551797</subfield>
      <subfield code="a">Muestreos</subfield>
    </datafield>
    <datafield tag="650" ind1="1" ind2="1">
      <subfield code="0">MAPA20080616441</subfield>
      <subfield code="a">Contaminación atmosférica</subfield>
    </datafield>
    <datafield tag="650" ind1="1" ind2="1">
      <subfield code="0">MAPA20080591960</subfield>
      <subfield code="a">Métodos de análisis</subfield>
    </datafield>
    <datafield tag="650" ind1="1" ind2="1">
      <subfield code="0">MAPA20080553975</subfield>
      <subfield code="a">Difracción</subfield>
    </datafield>
    <datafield tag="650" ind1="1" ind2="1">
      <subfield code="0">MAPA20080545192</subfield>
      <subfield code="a">Rayos X</subfield>
    </datafield>
    <datafield tag="740" ind1="4" ind2=" ">
      <subfield code="a">The Annals of occupational hygiene</subfield>
    </datafield>
    <datafield tag="773" ind1="0" ind2=" ">
      <subfield code="t">The Annals of occupational hygiene</subfield>
      <subfield code="d">Oxford [etc.]</subfield>
      <subfield code="g">nº 4, 1982 ; p. 443-447</subfield>
    </datafield>
  </record>
</collection>