Spectroscopy Reference Materials
Reference Articles 201 - 266 of 266
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PQ001 Relaximetry NMR Contrast Agent Analyzer
Description: The PQ001 NMR Analyzer was launched in 2008. After years of upgrading, PQ001 has many advantages such as small size, high precision, good repeatability, good stability and excellent cost/benefit ...
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Small Animal MRI System-Permanent Magnet MRI NM21-060H-I
Description: NM21-060H-I is designed for in-vivo MRI observation of animals. It is a permanent magnet system that provides high contrast images and has an intuitive user interface. ...
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An Introduction of Time-domain NMR
Description: Time-domain NMR technology is a fast and non-destructive detection technology. It has the advantages of fast test speed, high sensitivity, non-destructive, and green. It has been widely used in food ...
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Low-Field NMR Analyzer in Use
Description: The low-field NMR analyzer (solid-state NMR used for relaxation examination uses a static magnetic field of 1 Tesla or less, and the operating frequency is between 10 MHz and 50 MHz. Due to its ...
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TD-NMR Evaluation of Poly(vinyl alcohol) Xerogels
Description: Time domain nuclear resonance (TD-NMR) - additionally referred to as relaxometry, low-field nuclear resonance (LF-NMR) - may be a speedy and cheap thanks to characterize compound materials. It is ...
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Time-domain NMR and 2D Spectrum
Description: 2D time-domain NMR spectroscopy technology is currently a research hotspot in the field of NMR. By using this technology, researchers in different fields have made a lot of application attempts. We ...
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Why Choose LF-NMR (Low-Field NMR)?
Description: Although the NMR equipment of high-field superconducting magnets with a magnetic field strength greater than 1.5T still dominates the market, this type of high-field NMR equipment usually requires ...
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Advantages of LF NMR
Description: NMR is often performed in massive magnetic fields for 3 reasons: to enhance chemical shift resolution, to maximize the sensitivity of detection by inductive coils, and to extend the magnitude of the ...
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Rock Core NMR Method and Process
Description: In view of the current situation that there is no imaging of the fluid in the core porous medium, we provide a rock core NMR method for three-dimensional imaging of the permeability distribution in ...
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Time Domain Nuclear Magnetic Resonance Application Exploration
Description: Time Domain Nuclear magnetic resonance (NMR) may be a powerful analytical tool employed in analysis to get elaborate info regarding the structure, dynamics, reaction state, and chemical setting of ...
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Typical Applications in Rock Core NMR Analyzer
Description: Full-diameter core NMR analyzer and MRI system, benchtop NMR MacroMR12-150H-I ...
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What is NMR Spectroscopy Analyzer?
Description: The NMR analyzer is mainly composed of magnetic field, field stabilization and shimming system, radio frequency source, probe, receiving system, signal recording and data processing system, and some ...
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Time domain NMR (TD-NMR)
Description: Time domain NMR (TD-NMR) is a magnetic resonance technique based on relaxation time detection. Time domain NMR is generally tested and analyzed by T1 and T2 relaxation time. It is an advanced ...
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2D Time-Domain Spectrum in Low-Field NMR
Description: Time domain nuclear magnetism (TD-NMR) is different from conventional frequency domain analysis. The term "time domain" is embodied in that it mainly uses relaxation time or time domain signals ...
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Benchtop MRI Study on the Contact Angle of the Solid-Liquid Interface
Description: Benchtop MRI can be used to obtain images of water-glass-oil interface and water-glass-benzene interface that are difficult to obtain by ordinary optical methods, and the contact angle of the ...
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D-T2 Spectra--Rock Core NMR
Description: Although one-dimensional spectra such as relaxation spectra and diffusion spectra have achieved great success in the analysis of core properties, a single parameter or one-dimensional spectrum often ...
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Why do NMR Analyzer Need a Highly Uniform and Stable Magnetic Field?
Description: A key index to evaluate the performance and quality of NMR magnets is the uniformity and stability of the magnetic field. The uniformity and stability of the magnetic field directly affect the imaging ...
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Benchtop NMR Used for the Measurement of Fluorinated Coatings on Fibers and Textiles
Description: Coated fabric is a fabric or cloth processed by a special process. Mainly based on the cloth, a special process is used to coat a layer of material with special functions, which adds special functions ...
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Low-field NMR Technology Used in Moisture Analysis of Food and Agricultural Products
Description: Low-field NMR (LF-NMR) and its imaging technology (MRI) have been researched and applied in the direction of food and agricultural products due to their rapid detection, non-destructive, and ...
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NMR Relaxation Mechanism of Rock Pore Fluid
Description: Three different relaxation mechanisms, free relaxation, surface relaxation and diffusion relaxation, exist in the NMR relaxation of rock pore fluids. Generally, the three relaxation behaviors exist ...
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Structure of Benchtop NMR, Nuclear Magnetic Resonance
Description: How Benchtop NMR works: Benchtop NMR mainly corresponds to H for detection, and can also be used for F signal testing. The NMR signal is generated after the sample is excited by a specific frequency ...
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Sulfur Powder Oil Content Test (Low-Field Nuclear Magnetic Method)
Description: In the production process of chemical powders (such as sulfur), a certain amount of oil is added according to product quality and characteristic requirements to improve product performance and ...
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Broccoli MRI and 3D imaging
Description: After cutting the broccoli to the proper size, put it into the probe to test the cross section and coronal plane images. ...
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Low Field NMR Hard Pulse Sequence (Spin Echo)
Description: The low field NMR hard pulse sequence (Spin Echo) is excited by hard pulse radio frequency. ...
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Mushroom Drying Process Studied by Time Domain NMR
Description: we can see the water distribution and migration during drying process from these images. The water on the surface of shii-take evaporate at first.,when the water diffusion rate slower than the ...
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IR Sequence
Description: The process of the sample from the excited state to the equilibrium state is called the longitudinal relaxation of the sample, also called spin-lattice relaxation, and the relaxation speed is ...
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SE Hard Pulse Echo Sequence
Description: If we put another 180-degree pulse after 90-degree pulse, it will become the spin echo sequence which is also called hard pulse echo sequence. ...
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How to Determine the Hard Pulse Width
Description: Due to the size of the RF coil and the power of the RF amplifier, the pulse energy required to excite the sample is also different. The pulse energy is determined by the pulse amplitude and the pulse ...
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What is Time Domain NMR (TD-NMR)
Description: Atomic nuclei, such as hydrogen and fluorine, have a positive charge. These nuclei themselves have an important property, which is their spin. A charged spin body produces a circular current, and a ...
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NMR Relaxations
Description: In benchtop nmr experiments, there are two main relaxations, spin-lattice relaxation and spin-spin relaxation. The following figure is the recovery curve of T1 and T2. ...
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NMR Sequence - CPMG Sequence
Description: Although FID experiment is useful for setting up NMR instrumentation, it has some disadvantages. The main disadvantage is that the decay constant (or shape) of data acquired with FID is affected not ...
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T1 Relaxation Time and T1 Weighted Imaging of MRI Contrast Agent
Description: T1 relaxation time measurement:NMI20 Nuclear Magnetic Resonance, niumag corporation, resonant frequency: 21.170MHz T1 weighted image:NMI20 Nuclear Magnetic Resonance, niumag corporation, ...
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Time Domain NMR FID Experiments (Part I)
Description: The simplest NMR experiment is called an FID (Free Induction Decay) experiment. A single RF pulse (normally a 90 degree pulse) is applied to the sample and the response is measured as a function of ...
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Using Human Visual Perception to Guide Light & Color Measurement
From: Radiant Vision SystemsDescription: Photometry is the science of measuring light as it is perceived by the human eye, and colorimetry applies the same principles to measuring the different wavelengths of light based on how we perceive ...
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The Healing Power of Light: From UV Disinfection to Photodynamic Cancer Treatments
From: Radiant Vision SystemsDescription: Electromagnetic radiation from the sun--including both the visible light spectrum, and invisible wavelengths such as infrared and ultraviolet--is all around us. Recently scientists have found many ...
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The Chemistry of Light & Color
From: Radiant Vision SystemsDescription: To mark the 150th anniversary of the Periodic Table of Elements, originally published in 1869, we explore how chemisty affects the colors we see, chemical properties of colored light, LEDs, and more. ...
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SPECTRO ARCOS delivers high-throughput agronomical analysis for Eurofins
Description: SPECTRO ARCOS Benefits u Advanced analysis of crops, grass, soil, silage, forage, manure, and more u Simultaneous sample testing for all elements of interest in 60 seconds u Maximized throughput u ...
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Introduction to statistics for spectroscopy
Description: We send out a regular email newsletters and information. Please let us know if you would like us to contact you by email or not, by selecting one of the options below. When we take a spectroscopy ...
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Optimal Cast Iron Melt Controls with OES
Description: Approximately 20,000 foundries worldwide produce cast iron. The exact chemical composition of the alloy being manufactured needs to be checked throughout the melt process to ensure the quality of the ...
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Kinematic Carrying Platform for an X-Ray Spectrometer: Q & A with Dr. Markus Simon
Description: Dr. Markus Simon, head of the PI miCos beamline instrumentation group explains a special double hexapod PKM system designed for synchrotron x-ray spectroscopy, for complex material testing and ...
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Photonic Crystal Guided-Mode Resonance Sensors for Optical Diagnostics
From: MOXTEK, Inc.Description: Moxtek has achieved low cost, wafer-scale manufacturing of plasmonic, photonic crystal, and hybrid structures and is ready to support your production needs, from developmental projects through ...
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Plastmonic Nano-Dome Arrays for SERS
From: MOXTEK, Inc.Description: Moxtek has achieved low cost, wafer-scale manufacturing of plasmonic nano-dome arrays for surface enhanced Raman spectroscopy (SERS) applications, and is ready to support your production needs, from ...
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Living anionic polymerization of methyl methacrylate controlled by metal-free phosphazene catalyst as observed by small-angle neutron scattering, gel permeation chromatography and UV-visible spectroscopy
From: StellarNet, Inc.Description: Phosphazene (PZN) catalyst, PZN catalyst coexisting with a co-catalyst 1-hydroxycyclohexyl phenyl ketone and polymethylmethacrylate (PMMA) have been observed for the first time by small-angle neutron ...
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Industrial Gas Analysis System for Perfluorocarbon (PFC) Gas Analysis
From: JASCODescription: PFC (Perfluorocarbon) gases such as CF3, C2F6, C4F8 and CHF3 are used as cleaning agents for dry-edging and CVD equipment, a critical process in the manufacturing of semiconductors. PFC gases are ...
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Spectral Imaging with VersaChrome®
From: IDEX Health & ScienceDescription: Multicolor fluorescence imaging is ubiquitous in research and clinical applications. When the fluorophores used in such applications have low spectral overlap, standard filter cubes (with fixed ...
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A Guide to Spectroscopy for Used Oil Analysis
Description: Evaluating the wear condition of equipment is a primary requirement of condition monitoring programs. Oil wetted equipment will generate wear particles throughout its lifetime, the nature and rate of ...
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Electro-Optic Imaging Fourier Transform Spectrometer
From: Meadowlark Optics, Inc.Description: JPL is developing an innovative compact, low mass, Electro-Optic Imaging Fourier Transform Spectrometer (E-O IFTS) for hyperspectral imaging applications. ...
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Research shows the capability of cavity-enhanced laser
Description: How LGR's patented analyzing technique, Off-Axis Integrated Cavity Output Spectroscopy (OA-ICOS), is used to quantify 18O and ethanol content in wines. ...
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Getting the highest performance from liquid water isotope analyzers
Description: Accounting for sample memory effects in isotopic water measurements by laser spectroscopy. ...
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How Does A Spectrometer Work?
From: AvantesDescription: Optical spectroscopy is a technique for measuring light intensity in the UV-, VIS-, NIR- and IR-region. Spectroscopic measurements are being used in many different applications, such as color ...
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Improvements in Low Power, End window, Transmission-Target X-ray Tubes
From: MOXTEK, Inc.Description: End-window transmission-target X-ray tubes are designed for very close anode-to-sample coupling for compact portable XRF instruments. Several recent improvements have been achieved to make these ...
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UV-Vis-NIR Spectrophotometer Analyzer Comparison
From: MOXTEK, Inc.Description: The Moxtek® Proflux® UVD260 and UVD240 analyzers provide superior broadband performance in spectroscopy applications ranging from 240nm in the Deep UV up to 3.3μm in the mid-wavelength ...
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X-ray Fluorescence for Aluminum Metals/Alloy Identification: Nitronic 60 Identified with an SDD, XPIN6 and XPIN13
From: MOXTEK, Inc.Description: The questions being addressed is: "What is the best detector to use for aluminum metal and alloy identification, an SDD or a PIN detector?" This paper shows that both a XPIN6 and SPIN13 detector can ...
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X-ray Fluorescence for Non-Aluminum Metals/Alloy Identification SS316 Identified with an SDD, XPIN6 and XPIN13
From: MOXTEK, Inc.Description: The question being addressed is: "What is the best detector to use for non-aluminum metal and alloy identification, an SDD or a PIN detector?" This paper shows that both a PIN and a SDD detector are ...
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X-ray Fluorescence for Non-Aluminum Metals/Alloy Identification: Naval Brass Identified with an SDD, XPIN6 and XPIN13
From: MOXTEK, Inc.Description: The question being addressed is: "What is the best detector to use for non-aluminum metal and alloy identification, an SDD or a PIN detector?" This paper shows that both a PIN and a SDD detector are ...
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X-ray Fluorescence for Non-Aluminum Metals/Alloy Identification: SS304 Identified with an SDD, XPIN6 and XPIN13
From: MOXTEK, Inc.Description: The question being addressed is: "What is the best detector to use for non-aluminum metal and alloy identification, an SDD or a PIN detector?" This paper shows that both a PIN and a SDD detector are ...
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Analysis of aluminium alloys with X-ray fluorescence
From: Fischer Technology, Inc.Description: Aluminium is a versatile material widely used by many manufacturers, who purchase large quantities of it in the form of rods or sheets: so-called semifinished goods. Before being warehoused or ...
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Vacuum Spectroscopy
From: AvantesDescription: Spectrascopic measurement conducted in vacuum environments range from reflection measurements during coating processes through high speed plasma monitoring during reaction. ...
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Growing Hydrogen Expectations : Embedded Catalyst Design for Active and Stable Catalysts (.pdf)
From: Hiden AnalyticalDescription: The mass spectrometer was used to prove the superior thermal stability, during methane partial oxidation Figure 1, of an innovative embedded Rh@Al2O3 catalyst with respect to conventional impregnated ...
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Comprehensive Analysis of Persistent Organic Pollutants in Complex Matrices Using GC with High-Performance TOF-MS
From: LECO CorporationDescription: NNew requirements for dietary supplements to be manufactured under current Good Manufacturing Practices (cGMP) regulations have created a need for methods to detect pesticides in these complex, ...
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FT-NIR spectroscopy for biopharmaceutical applications
Description: Recent advances in the field of biotechnology combined with a wave of patented drugs patent expirations have led to a global shift of focus and priorities in pharmaceutical industry. While chemically ...
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Oceanic Trace Gas Measurements by Membrane Inlet Mass Spectrometry (.pdf)
From: Hiden AnalyticalDescription: Motivation: Why oceanic trace gases? Instrument development and assessment. Field measurements in the Subarctic Pacific. Ocean / Bering Sea: Spatial distribution of CO2, O2, DMS, and N2. Future ...
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Plasma Modified Nickel Catalysts for Biomass Conversion (.pdf)
From: Hiden AnalyticalDescription: Organic waste through biomass conversion can be used for energy production and the synthesis of a variety of chemicals. One of the synthesis routes is via biogas to syngas catalytic conversion, by CO2 ...
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Atmospheric Plasma Analysis by Molecular Beam Mass Spectrometry (.pdf)
From: Hiden AnalyticalDescription: The use of atmospheric plasmas is growing in interest due to their advantage in processing materials, mainly organic, which are not suitable for high vacuum. Such discharges are commonly studied by ...
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Atmospheric Pressure Plasma Analysis by Modulated Molecular Beam Mass Spectrometry (.pdf)
From: Hiden AnalyticalDescription: Atmospheric plasmas are increasingly used to process materials that are otherwise unsuitable for vacuum processing. Highly functional surfaces can be produced on a number of materials including ...
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Raman Analysis of Low Concentration Ions in Water (.pdf)
From: Enwave Optronics, Inc.Description: High sensitivity Raman analyzers could provide solutions for continuous and automated measurements of low concentration ions or molecules in aqueous solutions for applications in industries including ...