Determination of the delta(2H/1H)of Water: RSIL Lab Code 1574

Revesz, Kinga; Coplen, Tyler B.

Abstract:

Reston Stable Isotope Laboratory (RSIL) lab code 1574 describes a method used to determine the relative hydrogen isotope-ratio delta(2H,1H), abbreviated hereafter as d2H of water. The d2H measurement of water also is a component of the National Water Quality Laboratory (NWQL) schedules 1142 and 1172. The water is collected unfiltered in a 60-mL glass bottle and capped with a Polyseal cap. In the laboratory, the water sample is equilibrated with gaseous hydrogen using a platinum catalyst (Horita, 1988; Horita and others, 1989; Coplen and others, 1991). The reaction for the exchange of one hydrogen atom is shown in equation 1.

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USGS Numbered Series

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80816

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Revesz, Kinga; Coplen, Tyler B.

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U.S. Geological Survey

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ENGLISH

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Chapter 1 of Section C, Stable Isotope-Ratio Methods, Book 10, Methods of the Reston Stable Isotope Laboratory

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viii, 27 p.

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U.S. Geological Survey

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Techniques and Methods

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10-C1

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Determination of the delta(2H/1H)of Water: RSIL Lab Code 1574; 2008; TM; 10-C1; Chapter 1 of Section C, Stable Isotope-Ratio Methods, Book 10, Methods of the Reston Stable Isotope Laboratory; Revesz, Kinga; Coplen, Tyler B.