1970
DOI: 10.1366/000370270774372588
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A Background Correction Technique for Furnace or Flame Atomic Absorption with Double Beam Spectrophotometers

Abstract: Using furnace atomic absorption an optical method for reducing the effects of the background absorption, especially with solid samples, is discussed. The system is suitable for both furnace and flame atomic absorption. With Cu, Co, Cr, Mg, Mn, Al, and Dy hollow cathodes no blank reading was recorded. Calibration curves for Co, Cr, and Ag were obtained. Both solid and liquid samples were run. An optical system employing a Glan–Taylor calcite polarizer was used. A Beckman model D. B. was used to compare the pola… Show more

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Cited by 17 publications
(3 citation statements)
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“…This requirement is a severe limitation in analyses where sufficient quantities of sample are not available. A number of flame-related "sampling boat" (7, <S) and flameless techniques-filaments (9)(10)(11), ribbons (12,13)…”
Section: Resultsmentioning
confidence: 99%
“…This requirement is a severe limitation in analyses where sufficient quantities of sample are not available. A number of flame-related "sampling boat" (7, <S) and flameless techniques-filaments (9)(10)(11), ribbons (12,13)…”
Section: Resultsmentioning
confidence: 99%
“…The heater tubes make contact in the center with the one-piece combination heat sink and shield tube. The outer ends are connected to a spiral copper tube which fulfills the dual purpose of electrode contact and cooling (5).…”
Section: Methodsmentioning
confidence: 99%
“…This requirement is a severe limitation in analyses where sufficient quantities of sample are not available. A number of flame-related "sampling boat" (7, <S) and flameless techniques-filaments (9)(10)(11), ribbons (12,13) ing real world samples (16). In certain examples, the elimination or reduction of interferences requires a complicated optical system and temperature programming (17).…”
mentioning
confidence: 99%