Emission spectrometry.
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Spectrophotometry↗
Biomedical subjects
P N Keliher
Publications and source records attributed to P N Keliher.
Interference of ascorbic and isoascorbic acids in the spectrophotometric determination of nitrite by the diazotization-coupling technique.
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Ascorbic Acid↗
Determination of pentachlorophenol by ultraviolet ratio spectrophotometry.
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Methods↗
Determination of arsenic and selenium in environmental and agricultural samples by hydride generation atomic absorption spectrometry.
Agricultural and environmental samples are digested with acid, and arsenic and selenium are determined using hydride generation atomic absorption spectrometry. Interelement interferences are eliminated by high acid concentrations or cation-exchange resins. Agreement with standard reference material is excellent. The technique is also applied to actual samples.
Animals↗