Shank et al., 1967 - Google Patents
A Precision Measuring System for Gas ChromatographyShank et al., 1967
- Document ID
- 1533856264923745843
- Author
- Shank J
- Persinger H
- Publication year
- Publication venue
- Journal of Chromatographic Science
External Links
Snippet
An automatic processor for gas chromatographic data which uses voltage to frequency conversion plus counting as its basic area measuring technique has been evaluated. The system permits precision factored counting in two separate fashions to allow for application …
- 238000004817 gas chromatography 0 title description 6
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
- G01N30/8624—Detection of slopes or peaks; baseline correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
- G01N30/8603—Signal analysis with integration or differentiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N2030/626—Detectors specially adapted therefor calibration, baseline
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3975727A (en) | Automated calibration and standardization apparatus | |
US3470367A (en) | Wide-range analog-to-digital integrator for use with analytical measuring instruments | |
Shank et al. | A Precision Measuring System for Gas Chromatography | |
Johnson | Storage and Complete Automatic Computation of Gas Chromatographic Data. | |
US3269386A (en) | Method of and apparatus for flow measurements | |
US2967749A (en) | Integrating method and apparatus | |
US4091297A (en) | Sample-and-hold circuit | |
US3842422A (en) | Method and apparatus for recording signals | |
US3500028A (en) | Automatic chromatography system | |
US3286177A (en) | Apparatus for analyzing peaks by determining the contribution of individual peaks to the whole signal utilizing voltage to frequency to voltage conversion | |
EP0017267B1 (en) | Spectrophotometer | |
US4575808A (en) | Method of recording densitogram representing densities of fractionated substances | |
US3525040A (en) | Statistical voltmeter for analyzing signal amplitude distribution | |
RU2130624C1 (en) | Process stabilizing energy scale of spectrometer and device for its realization | |
US3236148A (en) | Apparatus for producing direct readings of concentrations of constituents of liquids | |
US3121160A (en) | Electrical measuring apparatus | |
US3222598A (en) | Electroencephalograph wave analyzer | |
Hilmer et al. | Instrumental and numerical considerations for on-line interpretation of high resolution mass spectral data | |
US3818357A (en) | Integrator providing automatic tangential base-line correction | |
Moreland Jr et al. | Semiautomatic Data‐Collection Systems for Mass Spectrometers | |
Cumming et al. | A digital mass spectrometer | |
Ramaley et al. | Use of Isomation in Ultimate Precision Spectrophotometry. | |
DE1928649A1 (en) | Method for determining the relative proportions of main and secondary components in a gas sample separated by gas chromatography | |
Harrison et al. | Multiscalar signal averaging in spark source mass spectrometry | |
US3468156A (en) | Method and apparatus for chromatographic analysis of a binary mixture without peak separation |