Centro de Documentacion de Fundación MAPFRE - Proceedings roundtable discussion on analytical techniques for quartz : december 6-7, 1972

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<title>Proceedings roundtable discussion on analytical techniques for quartz</title>
<subTitle> : december 6-7, 1972</subTitle>
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<namePart>Discussion on analytical techniques for quartz 1972 Ohio</namePart>
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<namePart>American Conference of Governmental Industrial Hygienists</namePart>
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<dateIssued encoding="marc">1973</dateIssued>
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<publisher>NIOSH</publisher>
<publisher>American Conference of Governmental Industrial Hygienists</publisher>
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<abstract displayLabel="Summary">X-ray diffraction -- Energy dispersive x-ray diffraction technique -- Infrared spectroscopy -- X-ray diffracttion -- Infrared spectroscopy -- X-ray diffraction -- Exo-electron emission -- Differential thermal analysis -- X-ray diffraction -- Colorimetric analysis -- The NBS standard reference material program -- The NIOSH proficiency analytical testing program -- A field study of three North Carolina mineral processing plants. Free silica analysis -- Peak height measurements for 10 ampes with a counting time of 100 seconds at the maximum peak position -- Peak height measurements for 10 samples using a 500 second scan at a scan sate of 1/8 degree a minute -- Effects of collodion coating on peak height measurements -- Comparison of standard deviation in ug quartz derived using various instrumental conditions -- Comparison of reults on one sample using both GE & Philips units with carying receiving slit widths -- Analysis of quartz standards by the energy-dispersive powder diffraction method -- Ratios of intensities of quartz diffraction lines -- Determination of quartz in fixed amounts of coal dust on silver membranes -- Determination of quartz in varying amounts of coal dust on silver membranes -- Foundry dust analysis for quartz by DTA micro-analysis and x-ray diffraction -- Analysis of selected commercial talc samples by DTA micro-analysis -- Fre silica analysis of trap rock sample -- Spectrophotometric determination of free silica in a quartz-kaolin mixture -- Spectrophotometric determination of free silica in trap rock samples of <5 mg -- Free silica in human lungs. General urban population -- Free silica in lungs of deceased coal miners -- Free silica analyses of samples from a feldspar plant -- Free silica analyses of samples from a granite shed -- Free silica analyses os samples from a pyrophylite plant</abstract>
<note>Fondo donado por el Sr. Enrique González Fernández, del INSHT</note>
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<topic>Contaminantes químicos</topic>
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<topic>Rayos X</topic>
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