Aqueous solutions for reducing the rate of oxygen loss, and methods thereof
First Claim
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1. A solution for the calibration of an oxygen sensor, the solution comprising:
- a selected concentration of choline;
HCO3−
; and
a known oxygen content,wherein said selected concentration of choline is sufficient to reduce a rate of loss of oxygen content in said solution, and said known oxygen content in said solution is sufficient for calibration of the oxygen sensor.
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Abstract
Compositions and methods for reducing the rate of loss of oxygen from a solution and increasing the effective life span of oxygen-containing calibration solutions.
17 Citations
52 Claims
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1. A solution for the calibration of an oxygen sensor, the solution comprising:
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a selected concentration of choline; HCO3−
; anda known oxygen content, wherein said selected concentration of choline is sufficient to reduce a rate of loss of oxygen content in said solution, and said known oxygen content in said solution is sufficient for calibration of the oxygen sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A container of calibration solution for calibrating an electrochemical sensor, the container of calibration solution comprising:
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the calibration solution, comprising; a selected concentration of choline; HCO3−
; and
,a known oxygen content, wherein said selected concentration of choline is sufficient to reduce a rate of loss of oxygen content in said solution, and said known oxygen content in the solution is sufficient for calibration of an oxygen sensor; and a substantially gas-impermeable wall for holding the calibration solution. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A method of reducing a rate of loss of oxygen content in a solution, comprising:
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providing the solution having a known oxygen content and comprising HCO3−
; andadding an amount of choline to the solution, wherein said choline amount is sufficient to reduce said rate of loss of oxygen content in the solution. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
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Specification