Automated system for identifying traces of organic chemical compounds in aqueous solutions专利检索-家庭自动化控制系统专利检索查询-专利查询网

Automated system for identifying traces of organic chemical compounds in aqueous solutions

阅读：679发布：2022-02-14

专利汇可以提供Automated system for identifying traces of organic chemical compounds in aqueous solutions专利检索，专利查询，专利分析的服务。并且An automated system wherein, under computer control, traces of organic chemical compounds in aqueous solutions are separated into a plurality of families of compounds. Several of the families are separated as separate extracts, dissolved in organic solvents. The volume of solvent, containing each extract, is greatly reduced in a separate pre-GC unit, to increase the ratio of extract to solvent volume. The output of each pre-GC unit is supplied to a separate gas chromatograph (GC). The elution times of the peaks, exiting the various GC''s, are used in the selection of peaks of interest by the computer based on the comparison of the extract types and the elution times with elution times of known compounds. Peaks of interest from any of the several GC''s are supplied one at a time to an absorption cell of a single IR spectrometer through a peak storage unit, which is designed to hold each peak of interest in one of its holding columns until the spectrometer is ready to receive the peak. Compounds are identified by the computer based on their extract types, elution times and the spectral data from the spectrometer.，下面是Automated system for identifying traces of organic chemical compounds in aqueous solutions专利的具体信息内容。

权利要求

1. AN AUTOMATED CHEMICAL COMPOUND IDENFICATION SYSTEM COMPRISING: A SAMPLE PROCESSOR MEANS OR EXTRACTING CHEMICAL COMPOUNDS FROM A SAMPLE SUPPLIED THERETO INTO A PLURALITY OF FAMILIES OF CHEMICAL COMPOUNDS CONTAINED IN SAID SAMPLE IN A CONTROLLED SEQUENCE OF STEPS, AT LEAST N OF SAID FAMILIES BEING DISSOLVED AS EXTRACTS IN APPROPRIATE SOLVENTS, N BEING AT LEAST TWO; FIRST MEANS INCLUDING N CHROMATOGRAHIC COLUMNS, EACH BEING RESPONSIVE TO A DIFFERENT ONE OF SAID N FAMILIES FOR SEPARATING THE COMPOUNDS IN THE FAMILY FROM ONE ANOTHER AND FOR PROVIDING CHROMATOGRAPHIC DATA FOR EACH COMPOUND TO IDENTIFIED; COMPUTER MEANS INCLUDING MEANS CONTROLLING THE SEQUENCE OF STEPS IN SAID SAMPLE PROCESSOR MEANS AND SAID FIRST MEANS INCLUDING MEANS FOR STORING CHROMATOGRAPHIC AND SPECTRAL DATA OF EACH OF A PLURALITY OF KNOWN CHEMICAL COMPOUNDS DEFINING A COMPOUND REPERTOIRE, MEANS FOR COMPARING THE CHROMATOGRAPHIC DATA PROVIDED BY SAID FIRST MEANS FOR EACH COMPOUND SEPARATED IN ANY OF SAID N COLUMNS TO BE IDENTIFIED WITH THE CHROMATOGRAPHIC AND OF SAID KNOWN COMPOUNDS FOR SELECTING UNIDENTIFIED COMPOUNDS OF INTEREST; A SINGLE SPECTROMETER; AND COMPOUND STORAGE MEANS CONNECTED TO SAID N CHROMATOGRAPHIC COLUMNS AND SAID SPECTROMETER, SAID COMPOUND STORAGE MEANS COMPRISING A PLURALITY OF HOLDING COLUMNS FOR TRANSFERRING TO SAID SPECTROMETER, ANY COMPOUND OF INTEREST RECEIVED FROM ANY OF SAID N CHROMATOGRAPHIC COLUMNS FOR SPECTRAL ANALYSIS AND FOR HOLDING ANY COMPOUND OF INTEREST RECEIVED FROM ANY OF SAID N CHROMATOGRAPHIC COLUMNS WHEN ANOTHER COMPOUND OF INTEREST IS BEING ANALYZED BY SAID SPECTROMETER, THE TIME OF ANALYSIS OF A COMPOUND BY SAID SINGLE SPECTROMETER IS GREATER THAN THE EXPECTED SHORTEST TIME BETWEEN THE SUCCESIVE EXITS OF TWO COMPOUNDS OF INTEREST FROM ANY TWO OF SAID N CHROMATOGRAPHIC COLUMNS, WITH THE SPECTRAL DATA OF EACH COMPOUND PROVIDED BY SAID SPECTROMETER BEING SUPPLIED TO SAID COMPUTER MEANS TO IDENTIFY A COMPOUND BASED ON AT LEAST ITS SPECTRAL DATA FROM SAID SPECTROMETER.

2. A system according to claim 1 wherein said N chromatographic columns are gas chromatographs and said single spectrometer is an infrared spectrometer.

3. A method of automatically identifying traces of chemical compounds in an aqueous solution, the steps comprising: automatically separating the compounds into a plurality of families of compounds, at least N of said families being dissolved as separate extracts in selected solvents, N being an integer not less than two; separately chromatograhically separating each family extract dissolved in a solvent into its compound in separate chromatographs; automatically selecting of the compounds which have been chromatographically separated by each chromatograph, compounds of interest; spectrographically analyzing each compound of interest in a single spectrometer to obtain spectral data therefor; and while the spectrometer analyzes a compound of interest, temporarily storing any compound of interest which subsequently exited any of said chromatographs until said spectrometer is ready to receive the subsequent compound of interest for spectral analysis.

4. An automated drug identification system comprising: computer means for storing chroMatographic and spectral data for each of a plurality of known drugs, for identifying unknown drugs based on the comparison of their chromatograhic and spectral data derived in said system with the data stored therein, and for controlling the separation of said drugs from a sample containing unknown drugs and the acquisition of their chromatographic and spectral data; sample processor means controlled by said computer means for extracting unknown drugs from a sample supplied thereto into a plurality of families of unknown drugs in a sequence of steps controlled by said computer means, said families including at least N families which are dissolved as separate extracts in preselected solvents, N being an integer not less than two; at least N chromatographs, each receiving a solvent containing the dissolved extract of a different family of drugs for separating the unknown drugs in the family and for providing chromatographic data for each drug, said computer means utilizing the chromatographic data provided for the unknown drugs for selecting therefrom drugs of interest; spectrometer means for receiving each selected drug of interest for spectral analysis and for providing to said computer means spectral data for each drug supplied thereto; and storage means coupled to each separate chromatograph and to said spectrometer means for temporarily storing only each drug of interest exiting any of said chromatographs for subsequent supply to said spectrometer means, said storage means includes a plurality of holding columns and control valves which are controlled by said computer means to transfer only a drug of interest exiting any of said N chromatographs for temporary storage in one of said holding columns and for transferring a drug stored in one of said holding columns to said spectrometer means when the latter is ready to receive a drug for spectral analysis, the time of analysis of a drug by said spectrometer being greater than the expected time between the successive exit of two drugs of interest from any two of said chromatographs.

5. A system according to claim 4 further including vent means for venting a drug which exits any one of said chromatographs and which is determined by said computer means not to be of interest so as to inhibit said drug from subsequent entry to said spectrometer means through said storage means.

6. A system according to claim 5 wherein each of said N chromatographs is a gas chromatograph and said spectrometer is an infrared spectrometer.

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Automated system for identifying traces of organic chemical compounds in aqueous solutions

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