Spectroscopy Reference Materials

Description: Aseptic identification of Polysorbate 20 and 80 through amber bottles using 1064 nm Raman, reducing fluorescence and enabling reliable raw material verification. Identification of polysorbates through ...

Description: In Raman spectroscopy, accurate and sensitive iden tification of chemicals and materials can be com promised by fluorescence from laser excitation of the target substance itself and/or interferents in ...

Description: Spectroscopy examines how matter interacts with electromagnetic radiation, revealing a substance's composition, structure, and physical properties. This essential technique is widely used in ...

Description: The demand for advanced sensors has surged, particularly in applications requiring accurate measurements in extreme environments. Among the various sensor types, optical sensors face significant ...

Description: Water analysis, thanks to techniques like UV-Vis Spectroscopy, lies at the intersection of environmental sustainability, public health, and industrial innovation. In a world affected by climate ...

Description: Laser‑induced breakdown spectroscopy (LIBS) has rapidly evolved from a lab‑based technique into fast, preparation‑free elemental analysis across metals, recycling, energy, EV battery ...

Description: This article explores the importance of eluent selection and preparation, highlighting key considerations that ensure reliable and robust ion chromatography measurements. ...

Description: We present a novel method for quantitatively measuring viscosities, using spin-lock T1? NMR. Recent work studying a set of oils of calibrated viscosity using fast-field-cycling NMR, to measure the T1 ...

Description: NOE (Nuclear Overhauser Effect) is an important NMR measurement technique that can reveal spatial proximity relationships within molecules. In this column, we discuss the difference between difference ...

Description: Surface analysis is an analytical technique to elucidate elemental composition, chemical state, and micro structure from material surface layer (several nm to several µｍ). As phenomena ...

Description: X-ray fluorescence (XRF) is a nondestructive technique for identifying and quantifying elements in solids, liquids, and powders. Learn about XRF and how it works in this blog article. ...

Description: Spectroelectrochemistry (SEC) combines electrochemistry and spectroscopy to simultaneously record optical and electrochemical signals. This article defines SEC and highlights its advantages. ...

Description: The objective of this study is to determine the primary cause(s) of electron multiplier degradation with use over an extended time, with a view toward optimizing detector lifetime in mass spectrometry ...

Description: We previously developed novel technologies that improve detector sensitivity to improve the dynamic range of mass spectrometers and reduce the 'time to answer'. This includes technologies that allow ...

Description: Our research addresses the primary challenges associated with electron multiplier performance in mass spectrometry ...

Description: Thermodynamic pore-sizing methods are based on the Gibbs Equations ...

Description: Are you interested in the physical properties of your samples ? - such as the viscosities, the mobility or stiffness of your samples - are they crystalline / amorphous / plastic / liquid ? - In which ...

Description: Atoms that make up chemical compounds have characteristic masses. Mass spectrometers use electric and magnetic fields to measure the masses of atoms and molecules. ...

Description: The electric vehicle (EV) industry is rapidly evolving, with technological advancements crucial in improving efficiency and sustainability. One critical aspect of EV battery manufacturing is quality ...

Description: A spectrometer, a cornerstone of optical analysis, comprises multiple components that meticulously dissect light, offering a spectrum of its constituent wavelengths and intensities. These instruments ...

Description: Raman spectroscopy, a transformative analytical technique, has revolutionized our exploration of molecular composition and structure across diverse materials. Through the inelastic scattering of light ...

Description: Understanding and managing the moisture content of seeds is critical for ensuring the overall quality, stability, and efficiency of seed oil production. Proper control and monitoring of moisture ...

Description: Fibers with insufficient spin finish are susceptible to static electricity, while those with excessive spin finish are prone to tangling, both of which can significantly disrupt the textile ...

Description: NIUMAG EDUMR is a compact desktop NMR apparatus designed specifically to facilitate MRI experimental instruction. Incorporating EDUMR into educational curricula opens up opportunities for instructive ...

Description: Pulsed NMR relies on the interaction between atomic nuclei with magnetic moments (such as hydrogen nuclei or protons) and an external magnetic field. When a sample is placed in a strong magnetic ...

Description: The benchtop NMR analysis technique revolves around the direct measurement of the nuclear magnetic resonance (NMR) signal of fluorine-19. As the fluorine content correlates directly with the intensity ...

Description: The degree of crosslinking in rubber has long been a challenge in the industry. Conventional swelling methods offer limited testing accuracy and are susceptible to significant human subjectivity. In ...

Description: Nuclear Magnetic Resonance (NMR) spectrometer is a powerful analytical technique used to determine the fat content in various substances, including food and biological samples. It does so by taking ...

Description: Crosslinking density pertains to the concentration of chemical crosslinks present within a polymer or polymer network, resulting in the formation of a three-dimensional structure. This density holds ...

Description: In summary, live mouse body composition analysis using NMR is a non-invasive technique that capitalizes on the behavior of atomic nuclei in a magnetic field. By analyzing the NMR signals emitted by ...

Description: Incorporating these advantages, NMR emerges as a powerful tool for exploring pore size distribution, enabling researchers to glean profound insights into the material world while maintaining sample ...

Description: The application of NMR as a non-destructive testing technique permits repetitive measurements or diverse assessments on the same sample without compromising its integrity. The NMR method is ...

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. As a powerful and ...

Description: This NMR-powered odyssey offers a resounding cadence within the textile industry's grand theater. It forges pathways to process refinement and quality mastery, casting light upon the symbiotic dance ...

Description: NIUMAG EDUMR represents a compact desktop NMR apparatus explicitly crafted for the purpose of facilitating MRI experimental instruction. The inclusion of EDUMR within curricula opens avenues for ...

Description: Niumag has autonomously designed a range of low-field NMR analyzers. Our Benchtop NMR analyzers have found effective application across diverse sectors, including energy, geotechnical studies, food ...

Description: Crosslinking density refers to the concentration of chemical crosslinks within a polymer or polymer network, creating a three-dimensional structure. This density significantly influences various ...

Description: Cement-based materials are commonly used in construction, including cement, concrete, mortar, etc. Their pore structure and performance directly influence the safety and service life of buildings. ...

Description: Low-field NMR analysis is a novel technology that has emerged recently for measuring the physical parameters of cement and rock. This technology utilizes the fact that water has a significant number ...

Description: Low Field NMR brings several advantages over traditional high field MRI machines. Its lower cost and reduced sensitivity to artifacts caused by movement or metal implants enhance image quality and ...

Description: Small animal imaging plays a crucial role in various aspects of biomedical research, including targeted agent contrast agent studies, anatomy teaching, and biomedical clinical animal experiments. The ...

Description: This innovative approach to spin finish measurement addresses the shortcomings of traditional methods, offering a faster and more efficient solution that ensures accurate data collection and ...

Description: Compared to chemical methods, benchtop NMR has better reproducibility, does not require chemical solvents, and can be performed by untrained personnel. ...

Description: Low-field magnetic resonance devices have wide applications in the field of polymer materials. They primarily detect the crosslinking density and relaxation time of materials, analyze and study ...

Description: Measuring the hydrogen content of fuel is an important parameter that can provide useful information about the fuel's composition, quality, and performance. ...

Description: For the years, Niumag focus on the industry solution by low field NMR. Because low-field NMR is portability, cost-effectiveness, and ease of use, make it a promising tool for various applications ...

Description: NMR spectrometer is widely used in the food industry for various analyses, including fat content determination in milk powder. It offers advantages such as high accuracy, repeatability, and the ...

Description: Hyperspectral imaging is the process of gathering spectral data over a wide, continuous range of wavelengths using a large number of discrete wavelength bands. It can be thought of as the high-def ...

Description: Spectroscopy is the study of molecular structure and dynamics through the absorption, reflection, emission and scattering of light (i.e. electromagnetic radiation). 1) by coupling with the oscillating ...

Description: Every year, the Earth's population consumes 4 trillion cubic meters of fresh water. After being carefully treated to fulfill the water-quality standards established by local governments, this drinking ...

Description: Bandpass filters are one of the simplest and most economical ways to transmit a well-defined band of light, and to reject all other unwanted radiation. Their design is essentially a thin film ...

Description: Benchtop NMR (Nuclear Magnetic Resonance) refers to compact and portable NMR spectrometers that are designed for use on laboratory benches or in small-scale research settings. Traditional NMR ...

Description: In general, fodder has a lower fat content compared to concentrated animal feeds or oil-rich seeds. The fat content in fodder is usually quite low, as it consists primarily of carbohydrates, fiber, ...

Description: Crosslinking density refers to the concentration of crosslinks within a polymer or polymer network. Crosslinks are chemical bonds that connect polymer chains, creating a three-dimensional network ...

Description: Small animal imaging refers to the use of various imaging techniques to study and visualize the anatomy, physiology, and pathology of small laboratory animals, typically rodents such as mice and rats. ...

Description: NIUMAG Benchtop NMR instruments offer a convenient and affordable solution for many routine NMR applications in research and industry. While they may have some limitations compared to high-field NMR, ...

Description: NMR-based spin finish detection offers a non-destructive and highly sensitive approach to analyzing the presence, composition, and distribution of spin finishes on fibers. It provides valuable ...

Description: The hydration of cement is a chemical process in which cement reacts with water to form a solid, durable material known as hardened cement paste. This process is essential for the development of ...

Description: In the context of fat content determination, NMR can be used to measure the percentage of fat present in a sample. This is typically achieved by analyzing the characteristic signals produced by fat ...

Description: Measuring the hydrogen content of fuel is an important parameter that can provide useful information about the fuel's composition, quality, and performance. The hydrogen content of a fuel can be an ...

Description: The choice of NMR instrument depends on the application and the sample being studied. Higher field strengths generally provide better resolution and sensitivity, but they also require more expensive ...

Description: SFC (solid fat content) is a parameter used to measure the percentage of solid fat in a sample at a specific temperature. It is an important parameter in the food industry, particularly in the ...

Description: As the most important cementitious material in concrete, cement is closely related to the bleeding performance of concrete bleeding. The setting time, fineness, surface area and particle distribution ...

Description: The relaxation process is the process of energy release. The spin lattice is equivalent to the lattice composed of H atoms, so the energy is released into the surrounding lattice. T1 relaxation is ...

Description: Mouse MRI (Magnetic Resonance Imaging) is a medical imaging technique that uses a powerful magnetic field, radio waves, and a computer to produce detailed images of the internal structures of a ...

Description: The moisture content of seeds is an important factor in determining the quality and stability of seed oils.The moisture content of seeds can vary depending on the seed type, environmental conditions ...

Description: Nowadays, Obesity has become a public health problem that endangers human health globally. Obese people are more likely to have high blood pressure, diabetes, fatty liver than normal people, and ...

Description: NMR Rock Core Analysis is a non-destructive geophysical technique used to analyze the properties of rocks. This technique is commonly used in the oil and gas industry to evaluate the porosity, ...

Description: In scientific research, NMR (Nuclear Magnetic Resonance) spectroscopy is a commonly used technique for studying the composition and structure of molecules, including those found in biological samples. ...

Description: The NMR signal comes from the hydrogen nucleus in the sample, and the fat content in the chocolate products is proportional to the intensity of the collected NMR signal. By establishing the ...

Description: In the food industry, moisture migration can affect the quality, texture, and shelf life of products. For instance, moisture migration can cause crispy foods to become soggy, or cause the formation of ...

Description: Pore size distribution refers to the range of sizes of pores within a material or substance. Pores are small voids or spaces within a material that can impact its physical and chemical properties. The ...

Description: Rock core benchtop NMR refers to the use of nuclear magnetic resonance (NMR) instrument on rock core samples in a laboratory setting, using a benchtop NMR instrument. This technique is used to study ...

Description: Low-field NMR instruments are typically used for applications such as chemical analysis, quality control, and material characterization. They are particularly useful for analyzing samples that are ...

Description: Pulsed NMR (Nuclear Magnetic Resonance) is a technique used in spectroscopy to study the structure and dynamics of molecules in solution. It works by exploiting the magnetic properties of atomic ...

Description: Studying the body composition of rats has been helpful in obesity research. Rats are commonly used in scientific studies because their physiology and metabolism are similar to humans, making them a ...

Description: Animal imaging refers to the use of medical imaging technologies, such as X-ray, computed tomography (CT), magnetic resonance imaging (MRI), ultrasound, and positron emission tomography (PET), to ...

Description: Benchtop TD-NMR is widely used in quality control (QC/QA) and product development fields in industrial production. ...

Description: Elastomer materials have a wide application. Affected by the temperature, time, pH and other factors, elastomer materials will degrade and age, which cannot meet the requirement. Therefore, it is ...

Description: NMR instruments can be divided into two categories according to different scanning methods: one is continuous wave NMR instruments, and the other is pulsed NMR instruments based on pulsed magnetic ...

Description: Obesity has become a public health problem that endangers human health globally. Obese people are more likely to have high blood pressure, diabetes, fatty liver than normal people, and severe obesity ...

Description: Benchtop NMR in QC/QA and Product Development Fields ...

Description: The detection and analysis of the low field nmr relaxation signal can directly or indirectly detect some properties of the material. The low field NMR method uses low field nmr analysis technology to ...

Description: Through MRI, fat distribution was directly observed, and the content distribution was calculated by image gray value and pixel ratio. ...

Description: The signal value is proportional to the number of corresponding Hydrogen proton. According to this principle, the number of the Hydrogen proton can be calculated, and then calculate the water or oil ...

Description: In oil production, it is often required that the solid precipitated has certain physical properties to meet the needs of various applications, which requires the formation of crystals and the ...

Description: The processing of fiber is a continuous production process. One of the processes is fiber oiling which is spin coating. The oiled fiber is not easy to generate static electricity and is easy to ...

Description: NMR analysis of water has an important theoretical basis, which is the joint induction theory proposed by Ling in 1962: the inherent charge of the macromolecule and the opposite charge connected to it ...

Description: The low field NMR, also called Time domain NMR, the short name is LF NMR, it uses physical methods to display abstract theories using multimedia, allowing us to see the imaging effects intuitively and ...

Description: The purpose of applying an appropriate amount of oil in the fiber production process is to make the fiber antistatic, bundled and smooth, so as to facilitate post-processing. Uneven oiling of fibers ...

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. ...

Description: Research in biomedical clinical animal experiments, targeted agent contrast agent research, anatomy teaching, etc., in vivo small animal imaging such as mice, rabbits, and monkeys is often performed. ...

Description: Nowadays, there are many methods for measuring pore size distribution, including mercury intrusion method, liquid nitrogen adsorption method, electron microscope scanning method, X-ray method, etc. ...

Description: During the fiber production process, applying an appropriate amount of oil can make the fiber antistatic, bundled and smooth, which is convenient for post-processing. If the fiber is not evenly oiled, ...

Description: Oil on the fiber is usually used as a lubricant or an antistatic agent, it is also used as a carrier for chemical agents such as fiber bactericides, flame retardants, and colorants. The spin finish is ...

Description: In the construction industry, concrete is a widely used functional material. Solid concrete has a large number of pores. Those pore states are different and the different states will result ...

Description: After the slaughter of livestock, fresh meat still maintains the cell structure. The structure of the muscle tissue and the processing method of the fresh meat will affect the water distribution in ...

Description: Core pore size distribution refers to the percentage of pore sizes at all layers in the core, it's calculated by quantity or volume. The layered pore size distribution refers to the layer ...

Description: Live mouse body composition helps study on the mouse model of intrahepatic fat content. ...

Description: Losing weight has become a problem that all human beings must face. Studying weight loss has become an important task for today's biological researchers. Often, mice are used as experimental subjects ...