Automatic sulfur-nitrogen determination instrument
A measuring instrument and automatic technology, which is applied in the direction of instruments, fluorescence/phosphorescence, and analysis by making materials undergo chemical reactions, can solve the problems of low detection accuracy and weak data analysis and processing capabilities
Inactive Publication Date: 2014-08-06
JIANGSU XINGAOKE ANALYTICAL INSTR
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[0004] The purpose of the present invention is to provide a sulfur and nitrogen automatic detector, which not only has a simple structure, but
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[0012] Embodiment: An automatic sulfur and nitrogen measuring instrument includes a sample injector, a cracking furnace, a detector, and a computer. The detector is composed of a chemiluminescence detector, an ultraviolet fluorescence detector and a signal amplification circuit. Wherein, the sample injector is a liquid sample injector; the cracking furnace is connected with a double-layer membrane dryer; the computer part includes a host computer for display, storage and data analysis and processing The lower computer that controls the sample injector, cracking furnace, and detector, the upper computer and the lower computer are connected through a USB virtual serial port communication.
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The invention discloses an automatic sulfur-nitrogen determination instrument, which includes a sample injector, a cracking furnace, a detector and a computer. The detector is composed of a chemiluminescent detector, an ultraviolet fluorescence detector and a signal amplification circuit. As an improvement, the computer part includes a host computer used for display, storage and data analysis and processing and a lower computer used for control of the sample injector, the cracking furnace and the detector, and the host computer and the lower computer are in communication connection through a USB virtual serial port. With a simple structure, the automatic sulfur-nitrogen determination instrument provided by the invention well solves the problems of weak data analysis and processing ability and low detection precision in existing sulfur-nitrogen determination instruments, and is convenient for popularization and application.
Description
technical field [0001] The invention relates to an electrochemical analysis instrument, in particular to an automatic sulfur and nitrogen measuring instrument. Background technique [0002] Sulfur and nitrogen are the main elements that affect the quality of petroleum, natural gas, chemical raw materials, etc., and are also the main pollutants of the atmosphere. Therefore, it is of great significance to detect the concentration of sulfur and helium. Most of the existing instruments for detecting sulfur concentration use chemical methods, the equipment is complicated, the operation is cumbersome, and they are often interfered by other substances. Therefore, at present, the detection of sulfur dioxide concentration tends to use physical methods, among which the ultraviolet fluorescence method has attracted much attention due to its good selectivity and high sensitivity. The analyzers for the detection of nitrides in my country basically rely on imports, which are expensive a...
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Login to view more IPC IPC(8): G01N35/00G01N21/64G01N21/76
Inventor 朱明俊
Owner JIANGSU XINGAOKE ANALYTICAL INSTR
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