1973
DOI: 10.1021/ac60324a026
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Quantitative analysis by phosphorus-31 nuclear magnetic resonance spectrometry

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1973
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Cited by 35 publications
(9 citation statements)
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“…furnace surface temperatures in excess of ~1700 K were required to maximize absorbance. This agrees well with the results reported by Woodriff et al (4). The dropoff in absorbance with tube lengths greater than ~17 mm was due largely to the inability to uniformly heat these to this temperature level in less than 10 s. Heating for longer periods caused rapid decay of the furnaces.…”
supporting
confidence: 92%
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“…furnace surface temperatures in excess of ~1700 K were required to maximize absorbance. This agrees well with the results reported by Woodriff et al (4). The dropoff in absorbance with tube lengths greater than ~17 mm was due largely to the inability to uniformly heat these to this temperature level in less than 10 s. Heating for longer periods caused rapid decay of the furnaces.…”
supporting
confidence: 92%
“…As noted above, triplicate sample analyses involving the entire procedure were typically reproducible to ±20% at the 1 x 10"5 µg/mL level and improved to ±10% at ten times that level. This compares favorably with an average relative standard deviation of 40% reported by Woodriff et al (4). The detection limits attainable were largely determined by reagent blanks; these were typically less than 1 X 10"6 µg/mL.…”
supporting
confidence: 81%
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“…Apparatus and Materials. The spectroscopic apparatus and the atomic absorption furnace used have been described previously (15,16), and for the sake of brevity will not be repeated here.…”
Section: Methodsmentioning
confidence: 99%
“…Others have reported the analysis of Ag in natural water in sub-nanogram quantities by neutron activation (1), flame atomic absorption with microsampling boat (2, 3), and flameless atomic absorption (4,5). Neutron activation analysis is subject to rather large reproducibility errors (on the order of ±25% at nanogram concentrations) and is expensive.…”
mentioning
confidence: 99%