High-resolution MC-ICPMS employing amplifiers with a 10 12 ohm resistor for bulk sulfur determination in biological and geological samples

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Abstract

The analytical performance of high-resolution multiple-collector inductively coupled plasma mass spectrometry (HR-MC-ICPMS), employing amplifiers with a 10 12 ohm resistor, was examined. HR-MC-ICPMS showed 50 times higher detection efficiency and 100 times better precision for sulfur and 34S/ 32S than the single-collector high-resolution sector field type ICPMS (HR-ICP-SFMS). The 3σ detection limits for 32S and 34S were 0.2 and 6 ng mL -1, respectively. No matrix effects were observed, for up to 3000 μg g -1 of total dissolved solids (TDS), within 0.6% error. Thus when the isotope dilution (ID) technique is utilized, this method allows analyses of sulfur concentration of seven times smaller, with six times better precision, than the HR-ICP-SFMS methods. To demonstrate the applicability of this ID-HR-MC-ICPMS method, bulk sulfur concentrations in bovine serum albumin, human serum, eight silicate reference materials (JB-2, JB-3, JA-2, JA-3, JP-1, BCR-2, BHVO-1 and AGV-1), and four carbonaceous chondrites (Murchison, Allende, Dal al Gani 521 and 194) were measured.

Original languageEnglish
Pages (from-to)891-895
Number of pages5
JournalJournal of Analytical Atomic Spectrometry
Volume27
Issue number5
DOIs
Publication statusPublished - May 2012

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Sulfur determination
Inductively coupled plasma mass spectrometry
Sulfur
Resistors
Isotopes
Dilution
Silicates
Bovine Serum Albumin

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

Cite this

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title = "High-resolution MC-ICPMS employing amplifiers with a 10 12 ohm resistor for bulk sulfur determination in biological and geological samples",
abstract = "The analytical performance of high-resolution multiple-collector inductively coupled plasma mass spectrometry (HR-MC-ICPMS), employing amplifiers with a 10 12 ohm resistor, was examined. HR-MC-ICPMS showed 50 times higher detection efficiency and 100 times better precision for sulfur and 34S/ 32S than the single-collector high-resolution sector field type ICPMS (HR-ICP-SFMS). The 3σ detection limits for 32S and 34S were 0.2 and 6 ng mL -1, respectively. No matrix effects were observed, for up to 3000 μg g -1 of total dissolved solids (TDS), within 0.6{\%} error. Thus when the isotope dilution (ID) technique is utilized, this method allows analyses of sulfur concentration of seven times smaller, with six times better precision, than the HR-ICP-SFMS methods. To demonstrate the applicability of this ID-HR-MC-ICPMS method, bulk sulfur concentrations in bovine serum albumin, human serum, eight silicate reference materials (JB-2, JB-3, JA-2, JA-3, JP-1, BCR-2, BHVO-1 and AGV-1), and four carbonaceous chondrites (Murchison, Allende, Dal al Gani 521 and 194) were measured.",
author = "Akio Makishima and Eizou Nakamura",
year = "2012",
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doi = "10.1039/c2ja10337k",
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AU - Makishima, Akio

AU - Nakamura, Eizou

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N2 - The analytical performance of high-resolution multiple-collector inductively coupled plasma mass spectrometry (HR-MC-ICPMS), employing amplifiers with a 10 12 ohm resistor, was examined. HR-MC-ICPMS showed 50 times higher detection efficiency and 100 times better precision for sulfur and 34S/ 32S than the single-collector high-resolution sector field type ICPMS (HR-ICP-SFMS). The 3σ detection limits for 32S and 34S were 0.2 and 6 ng mL -1, respectively. No matrix effects were observed, for up to 3000 μg g -1 of total dissolved solids (TDS), within 0.6% error. Thus when the isotope dilution (ID) technique is utilized, this method allows analyses of sulfur concentration of seven times smaller, with six times better precision, than the HR-ICP-SFMS methods. To demonstrate the applicability of this ID-HR-MC-ICPMS method, bulk sulfur concentrations in bovine serum albumin, human serum, eight silicate reference materials (JB-2, JB-3, JA-2, JA-3, JP-1, BCR-2, BHVO-1 and AGV-1), and four carbonaceous chondrites (Murchison, Allende, Dal al Gani 521 and 194) were measured.

AB - The analytical performance of high-resolution multiple-collector inductively coupled plasma mass spectrometry (HR-MC-ICPMS), employing amplifiers with a 10 12 ohm resistor, was examined. HR-MC-ICPMS showed 50 times higher detection efficiency and 100 times better precision for sulfur and 34S/ 32S than the single-collector high-resolution sector field type ICPMS (HR-ICP-SFMS). The 3σ detection limits for 32S and 34S were 0.2 and 6 ng mL -1, respectively. No matrix effects were observed, for up to 3000 μg g -1 of total dissolved solids (TDS), within 0.6% error. Thus when the isotope dilution (ID) technique is utilized, this method allows analyses of sulfur concentration of seven times smaller, with six times better precision, than the HR-ICP-SFMS methods. To demonstrate the applicability of this ID-HR-MC-ICPMS method, bulk sulfur concentrations in bovine serum albumin, human serum, eight silicate reference materials (JB-2, JB-3, JA-2, JA-3, JP-1, BCR-2, BHVO-1 and AGV-1), and four carbonaceous chondrites (Murchison, Allende, Dal al Gani 521 and 194) were measured.

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