TH32625A - Methods and stable isotropic measurement devices by spectroscopy - Google Patents

Abstract

DC60 (25/02/41) according to this invention. A test sample gas containing 13CO2 carbon dioxide as a component gas is introduced into the cell. Then find the value of the absorption of light transmitted through that thing at The wavelength is suitable for 13CO2 component gas and determines the gas concentration. Is assembled according to the standards of the prepared calibration curve throughout each measurement of the test sample gas at There is a known concentration of component gas. Moreover Measure the concentration of water vapor contained in Test sample gas And the composition gas concentration in the test sample gas was Correct the measured steam concentration according to the standard of the prepared curves. Throughout each measurement of the test sample gas with a known concentration of water vapor (Fig. 4), with a spectrometer, the concentration ratio of the component gas can be accurately determined. And correct by measuring the moisture content in the test sample gas According to this invention Test sample gas containing 13CO2 carbon dioxide as a constituent gas is introduced into the cell. And then find the value of the absorption of light transmitted through the stump that The wavelength is suitable for 13CO2 element gases and the concentration of element gas is determined. Is assembled according to the standards of the prepared calibration curve throughout the measurement of each gas test sample at There is a known concentration of component gas. Moreover Measure the concentration of water vapor contained in Test sample gas And the composition gas concentration in the test sample gas was Correct the measured steam concentration according to the standard of the prepared curves. Throughout the measurement of each gas, a test sample containing a known concentration of steam (Fig. 4) with a spectrometric ratio of the gas composition concentration can be accurately determined. And correct by measuring the moisture content in the test sample gas

Claims (7)

1.Stable isotrophic measurement method for analyzing gas isotropes by water spectrometry. Gas a test sample containing component gas into the cell. Measure the intensity of light transmitted through it. At the wavelength suitable for element gas And carry out the photometric data to find Concentration of the component gas, the constituent gas is 13CO2, the method consists of: The first step is to introduce the test sample gas into the cell and determine the suction value. Swallows the light transmitted through that at the appropriate wavelength for the component gas. The second step is the determination of the composition gas concentration in the test sample gas according to The standard of the calibration curve prepared throughout the measurement of each sample gas containing the component gas in The third step is to measure the concentration of water vapor present in the test sample gas and make The correct component gas concentration in the test sample gas according to the measured steam concentration. According to the standard of the rectification curve that is prepared throughout the measurement of each sample gas with water vapor in Known concentration 2. Stable isotropt measurement method for analyzing gas isotropes by spectrometric conductivity. Gas a test sample with multiple components gas into the cell. Measure the intensity of light transmitted Throughout that, the wavelength is appropriate for each component gas. And carry information Light intensity To find the concentration ratio between the component gases, the component gases will be Carbon Dioxide, 12CO2 and Carbon Dioxide 13CO2, Method consists of: Step one is to introduce the test sample gas into the cell and determine its absorption. Light transmitted through that at the appropriate wavelength for each component gas. The second step is to find the concentration ratio of the component gases in the gas. Test samples according to the standard of the calibration curve prepared throughout each measurement of the sample gas that There is a known concentration of component gas, and the third step measures the concentration of water vapor present in the test sample gas and makes The concentration ratio of the component gases was correct in the test sample gas according to the intensity. The steam condensed measured according to the standard of the correct curves was prepared throughout each gas measurement. Sample with known water vapor concentration 3. Stable isotropic measurement method for analyzing gas isotropes via spectrometry as specified. In which the curves were correct, the third step was prepared by determining the absorbance at length. Each component is suitable for multiple sample gases with different concentrations of steam, then the concentration or concentration ratio between each gas element is determined. Assembled in the sample gas according to the standards of the calibration curve. And plot ratio or ratio The difference between the concentration or the ratio of the concentrations between each component in the gas. The samples obtained thus relative to the steam concentration of the sample gas and the third step of accuracy were achieved by obtaining the correct concentration. Or the correct concentration ratio for the component gases by making the vapor concentration The water of the test sample gas, which was fitting in the third step to the curve, got it right. And then find the concentration or the concentration ratio between each component in the gas. Test sample obtained in the second step by the correct concentration value or the The correct concentrations that were obtained by the standards of the curves were then made right. Or subtract the concentration at Correct or correct concentration ratio value from concentration or concentration ratio. Between each component gas in the test sample gas 4.Stable isotropic measuring device for analyzing gas isotropes via spectrometry. A test sample containing several components of gas is introduced into the cell. Measure the intensity of light transmitted. It passes through that at the appropriate wavelength for each component gas and carries out the data of the light concentration measured by the data processing path to find the concentration ratio. Between the constituents of the gas, the constituent gas is 12CO2 and 13CO2 of carbon dioxide. Absorption method for determining the absorption of light transmitted through gas. The test sample is taken into the cell according to the standard of the light concentration measured at the wavelength. Suitable for each gas element A beautiful method for calculating the gas concentration ratio Assembled in the test sample gas according to the standards of the prepared calibration curve throughout each measurement. Sample gas with a known concentration of component gas The steam concentration method for the measurement of the steam concentration contained in the test sample gas and the correct path for achieving the concentration ratio of the component gases in The sample gas is tested according to the steam concentration measured according to the standardization curve. And then prepared throughout the measurement of each sample gas with a known concentration of water vapor. 5. A stable isotropic method for analyzing gas isotropes spectrometry, which consists of a process of applying a test sample gas containing 12CO2 and 13CO2 carbon dioxide as a component gas. Into the cell, perform the Absorbs the light transmitted through it at the appropriate wavelength for each component gas, determining the concentration of each component gas in the test sample gas according to the line standard. The calibration curve prepared throughout the measurement of each sample gas with a known concentration of constituent gases in which two test sample gases are from a single test subject, and If the CO2 concentration of one test gas is higher than the CO2 concentration of the other test gas, One, one test sample gas is diluted with air to the same CO2 concentration as the test sample gas, the other for the measurement of the 13CO2 / 12CO2 concentration ratio in each test sample gas. 6.Stable isotropic measurement method for analyzing the specified gas isotropes through spectrometry. In claim 5, which includes the procedure for bringing the available test sample gas Carbon dioxide 12CO2 and carbon dioxide 13CO2 in the base is a gas element in Into the cell, taking the values to absorb the light transmitted through that at the appropriate wavelength. For each component gas, the concentration of each component gas in the gas is determined. Test samples according to the standard of the calibration curve prepared throughout each measurement of the sample gas. Where (a) the first and second test sample gas is a sample from the same person, and the first and second test sample gas CO2 concentrations were measured in the preliminary measurements and ( b) If the measured CO2 concentration of the first test sample gas is higher than the measured CO2 concentration of the second test sample gas, the concentration ratio 13CO2 / 12CO2 in the first test sample gas is measured after the first test sample gas. Was diluted with air until The CO2 concentration is reached equal to the second test sample gas in the main measurement and (c) the concentration ratio 13CO2 / 12CO2 in the second test sample gas was measured in the main measurement. 7.Stable isotropic measurement method for analyzing the specified gas isotropes through spectrometry. In claim 5, which includes the procedure for bringing the available test sample gas Carbon dioxide 12CO2 and carbon oxide 13CO2 as element gases in Into the cell, taking the values to absorb the light passing through it at the appropriate wavelength. For each component gas, the concentration of each component gas in Test sample gas according to the standard of the calibration curve prepared throughout the measurement of each gas. Samples with known concentrations of composition gas where (a) the first and second test samples are from the same person, and the first and second gas concentrations of the test samples were measured in measurements. (B) If the measured CO2 concentration of the test sample gas is lower than the measured CO2 concentration of the second test sample gas, the concentration ratio of 13CO2 / 12CO2 in the first test sample gas is measured while Is in the main measurement and (c) measures the 13CO2 / 12CO2 concentration ratio in the second test sample gas after The second test sample gas was diluted with air to a CO2 concentration equal to the first test sample gas in the main measurement.