As an analytical chemistry technology, atomic spectroscopy has been widely used in geology, metallurgy, food, and environmental fields. Through atomic spectroscopy, we can obtain the content of elements in the measured substance, which can be qualitatively and quantitatively analyzed. Elemental morphology analysis can also be performed by combination with a chromatographic instrument. Atomic spectroscopy instruments are important species in the field of analytical instruments. They are currently in a stage of rapid development, moving toward portability and intelligence.
Atomic spectroscopy is mainly divided into the following three categories: atomic emission spectroscopy, atomic absorption spectroscopy and atomic fluorescence spectroscopy.
Atomic emission spectroscopy can analyze the full spectrum of a substance, excite the outer electrons of the atom by high-energy excitation, and excite the outer electrons from a stable ground state to an unstable high-energy state. This process belongs to the excited process; then, the electrons are energized from high energy. The state transitions freely to the ground state. In this process, spectra of different frequencies are emitted. These spectral spectra are closely related to the content of the elements, and the energy of the spectra is proportional to the content of the elements. The radical origin of atomic emission spectrometry technology plays a crucial role. At present, ICP (Inductively Coupled Plasma Arousal Origin) is a commonly used source of origin. The development of ICP power supply is the core of atomic emission spectroscopy instrument system. Atomic emission spectrometry is rich in information. Traditional instruments usually use mechanical devices to drive the spectroscopic system for spectral dispersion, which puts high demands on the mechanical system and directly affects the spectral resolution. At present, the frontier spectral instruments use CCD technology for full-spectrum analysis, eliminating mechanical devices and improving spectral resolution.
Atomic absorption spectroscopy is an absorption spectrum. When an excitation light having a certain characteristic frequency passes through a certain gaseous substance, if the gaseous substance contains an element matching the characteristic spectrum, the peripheral electron of the element absorbs the characteristic spectrum. Energy, and transition to other levels of the atom. At the detection end, we can find that the excitation light signal of the characteristic frequency becomes weak and forms an absorption spectrum. Atomic absorption spectroscopy is first discovered by observing the emission spectrum of the sun. When the full spectrum of the sun passes through the atmosphere, some of the spectrum is absorbed by matter in the atmosphere, forming a mysterious line. The front end of the atomic absorption spectrometer requires a characteristic light source. At present, this characteristic light source usually adopts a hollow cathode element lamp. In order to improve the test efficiency, multi-element high-efficiency measurement is realized by an automatic lamp changing device. The back end of the atomic absorption spectrometer realizes photoelectric conversion and electrical signal amplification through a photomultiplier tube, and then the signal is amplified by the forward channel and then enters the data acquisition system. After sampling, quantification, and signal preprocessing, the information is transmitted to the computer, and the computer software Conduct qualitative and quantitative analysis. The atomic absorption spectrometer is simpler than the atomic emission spectrometer. At present, there are many manufacturers engaged in atomic absorption spectrometry in China, and the competition is fierce.
Atomic fluorescence spectrometry is between atomic emission and atomic absorption. The front end of the instrument system is similar to atomic emission, and the back end is equivalent to atomic absorption. When a gaseous atom absorbs energy into a characteristic line, the electrons outside the nucleus are excited to an unstable orbit, and then transition to other energy levels in a short time, and the excitation and excitation sources are emitted during the transition. The same spectrum, this light is called fluorescence (secondary light). Through analysis, it is found that under certain experimental conditions, the intensity of fluorescence is proportional to the content of the element in the material, so the content of the element can be qualitatively and quantitatively analyzed by detecting fluorescence. After the atomic fluorescence spectroscopy was discovered, there was no successful instrument. Until Guo Xiaowei and others from the Northwest Institute of Nonferrous Metals used hydride generation for atomic fluorescence spectrometry, the world's first atomic fluorescence spectrometer was born in China. In atomic fluorescence spectrometry, sharp line sources are very important. At present, such sharp line sources usually use hollow cathode lamps, which are different from those in atomic absorption analysis. In the case of atomizers, conventional flame atomization methods can be used, or the latest graphite furnace atomizers can be used. The domestic general analysis is more successful in the graphite furnace atomizer instrument. After the real measurement system is similar to atomic absorption, no special dispersion system is needed, and the fluorescence signal can be directly detected by the photomultiplier tube. Atomic fluorescence spectroscopy can analyze elements such as Hg and As, and can be used in environmental and food safety.
There can be 8 graphics cards,which can be installed according to customer needs.
Ultra- strong heat dissipation/ ultra-high computing power/ ultra-low energy consumption/ strong compatibility.
Support Motherboard: ATX/M-ATX
Support Power Supply: 10*6pin PSU*1
Support GPU: 8*GPU
Fan: 4*Fan
Material: SECC
Color: Silver
Size: 63.5*35.5*17.4 cm
Specifications:
Model Number: GPU Mining Case
Applicable mining:
ETH/ETC/AE/BTM/GRIN/GRIN31/BEAM/SERO/RVN/MONA/CKB/XVG/BCD/FIRO/HYC/VTC/CLO/RVC/PGN/CHI etc.
Atomic spectroscopy is mainly divided into the following three categories: atomic emission spectroscopy, atomic absorption spectroscopy and atomic fluorescence spectroscopy.
Atomic emission spectroscopy can analyze the full spectrum of a substance, excite the outer electrons of the atom by high-energy excitation, and excite the outer electrons from a stable ground state to an unstable high-energy state. This process belongs to the excited process; then, the electrons are energized from high energy. The state transitions freely to the ground state. In this process, spectra of different frequencies are emitted. These spectral spectra are closely related to the content of the elements, and the energy of the spectra is proportional to the content of the elements. The radical origin of atomic emission spectrometry technology plays a crucial role. At present, ICP (Inductively Coupled Plasma Arousal Origin) is a commonly used source of origin. The development of ICP power supply is the core of atomic emission spectroscopy instrument system. Atomic emission spectrometry is rich in information. Traditional instruments usually use mechanical devices to drive the spectroscopic system for spectral dispersion, which puts high demands on the mechanical system and directly affects the spectral resolution. At present, the frontier spectral instruments use CCD technology for full-spectrum analysis, eliminating mechanical devices and improving spectral resolution.
Atomic absorption spectroscopy is an absorption spectrum. When an excitation light having a certain characteristic frequency passes through a certain gaseous substance, if the gaseous substance contains an element matching the characteristic spectrum, the peripheral electron of the element absorbs the characteristic spectrum. Energy, and transition to other levels of the atom. At the detection end, we can find that the excitation light signal of the characteristic frequency becomes weak and forms an absorption spectrum. Atomic absorption spectroscopy is first discovered by observing the emission spectrum of the sun. When the full spectrum of the sun passes through the atmosphere, some of the spectrum is absorbed by matter in the atmosphere, forming a mysterious line. The front end of the atomic absorption spectrometer requires a characteristic light source. At present, this characteristic light source usually adopts a hollow cathode element lamp. In order to improve the test efficiency, multi-element high-efficiency measurement is realized by an automatic lamp changing device. The back end of the atomic absorption spectrometer realizes photoelectric conversion and electrical signal amplification through a photomultiplier tube, and then the signal is amplified by the forward channel and then enters the data acquisition system. After sampling, quantification, and signal preprocessing, the information is transmitted to the computer, and the computer software Conduct qualitative and quantitative analysis. The atomic absorption spectrometer is simpler than the atomic emission spectrometer. At present, there are many manufacturers engaged in atomic absorption spectrometry in China, and the competition is fierce.
Atomic fluorescence spectrometry is between atomic emission and atomic absorption. The front end of the instrument system is similar to atomic emission, and the back end is equivalent to atomic absorption. When a gaseous atom absorbs energy into a characteristic line, the electrons outside the nucleus are excited to an unstable orbit, and then transition to other energy levels in a short time, and the excitation and excitation sources are emitted during the transition. The same spectrum, this light is called fluorescence (secondary light). Through analysis, it is found that under certain experimental conditions, the intensity of fluorescence is proportional to the content of the element in the material, so the content of the element can be qualitatively and quantitatively analyzed by detecting fluorescence. After the atomic fluorescence spectroscopy was discovered, there was no successful instrument. Until Guo Xiaowei and others from the Northwest Institute of Nonferrous Metals used hydride generation for atomic fluorescence spectrometry, the world's first atomic fluorescence spectrometer was born in China. In atomic fluorescence spectrometry, sharp line sources are very important. At present, such sharp line sources usually use hollow cathode lamps, which are different from those in atomic absorption analysis. In the case of atomizers, conventional flame atomization methods can be used, or the latest graphite furnace atomizers can be used. The domestic general analysis is more successful in the graphite furnace atomizer instrument. After the real measurement system is similar to atomic absorption, no special dispersion system is needed, and the fluorescence signal can be directly detected by the photomultiplier tube. Atomic fluorescence spectroscopy can analyze elements such as Hg and As, and can be used in environmental and food safety.
8GPU 847-Pro Mining Rig(Silver)
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Description:
This product is a graphics mining rig case. Suitable for ETH, ZEC, SC, HSR etc coin mining.There can be 8 graphics cards,which can be installed according to customer needs.
Ultra- strong heat dissipation/ ultra-high computing power/ ultra-low energy consumption/ strong compatibility.
Support Motherboard: ATX/M-ATX
Support Power Supply: 10*6pin PSU*1
Support GPU: 8*GPU
Fan: 4*Fan
Material: SECC
Color: Silver
Size: 63.5*35.5*17.4 cm
Specifications:
Model Number: GPU Mining Case
Applicable mining:
ETH/ETC/AE/BTM/GRIN/GRIN31/BEAM/SERO/RVN/MONA/CKB/XVG/BCD/FIRO/HYC/VTC/CLO/RVC/PGN/CHI etc.
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