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What are journal pre-proofs? - ScienceDirect Support Center
Join for free. Public Full-text 1 using multiple endm ember spectral mixture analysis: Manaus, Brazil. Remote Sens. Environ. , , – Rosa, D.L.; Wiesmann, D. Land cover and. · All satellites imagery are free clouds. Landsat images were selected because of they are free of charge, with high monitoring frequency every days revisit time, and cover large are × km. Image pre-processing. One satellite image classification method were used in this study including; (1) Spectral mixture analysis or sup-pixel classification method (SMA). Application of a Cited by: · In addition, they were converted to ERDAS Imagine format with UTM projection to be consistent with the ETM+ image. With 1-m spatial resolution, these aerial photos are suitable for checking accuracies of urban composition estimates derived from the normalized spectral mixture analysis model. Download: Download full-size image; Fig. 1. Columbus Cited by:
Spectral mixture analysis and rangeland monitoring + sciencedirect+free download
With fully integrated, robust universal sampling for trouble-free measurements and portability options, Spectrum Two is ideal for use in both laboratory and remote testing environments. Ideally suited to everyday analysis, you can confidently perform fast, accurate IR analysis and assure the quality of your materials across a wide range of applications. True laboratory performance IR for everyday analysis is possible for everyone, everywhere. The Spectrum Two is suitable for a wide range of applications and can be configured to your needs regarding the level of performance desired to meet the demands of your daily IR analyses.
See the configurations table below for all available instrument options. PerkinElmer recognizes that every application is different. The result is a complete solution to provide the fastest assurance of the quality of your materials, regardless of the application. Some of the industry applications that the Spectrum Two is designed to accommodate include:. For these specific applications, we offer various analysis systems and application pack add-ons. The spectrometers can operate in ratio, single-beam, or interferogram mode.
From material and contaminant identification to quantitative analysis, the comprehensive Spectrum 10 software suite allows you to focus on what matters most — results. Designed for busy industrial or academic laboratories, this comprehensive FT-IR software package facilitates data collection, processing, spectral mixture analysis and rangeland monitoring + sciencedirect+free download, and results generation.
The software enables users without scientific training to generate infrared spectra from a sample and validate them against reference spectra in minutes, or even seconds.
Spectrum 10 ES includes the comprehensive features of Spectrum 10 and encompasses user access control, audit trailing, data security, and data integrity to ensure secure analyses to meet the technical demands of 21 CFR Part 11 compliance.
The compact and robust design of the Spectrum Two means that the instrument can be easily transferred between environments. The simple user-installation and fast warm-up time means that the instrument can be set up quickly. The wide range of sampling accessories available can help your analysis move out of the laboratory. With optional features such as wireless connectivity to spectral mixture analysis and rangeland monitoring + sciencedirect+free download portable PC control, or the Portability Pack featuring a carrying case, battery pack, and 12V car auxiliary port adaptor, the Spectrum Two is ready to go where you go.
In the midst of the COVID outbreak, key hygiene supplies have become in high demand so much so that there are now critical supply shortfalls. One of the most important of these is alcohol-based hand sanitizer. To cope with this shortfall, the food and drug administration FDA has produced a guidance document for the compounding of certain alcohol-based hand sanitizer products. With many industries mobilizing to produce hand sanitizer for the first time, suppliers need quality control processes to ensure that the hand sanitizers produced are effective and safe.
The intensifying global emphasis on developing sustainable fuel supplies has led to increasing use of fuels derived from biological sources. Biodiesel fuels are often blended compositions of diesel fuel and esterified soybean oils, spectral mixture analysis and rangeland monitoring + sciencedirect+free download, rapeseed oils, or other potential vegetable oils as well as fats.
The physical and combustion properties of these biofuels have allowed them to achieve similar performance to diesel fuel.
However, there are several characteristics that are of concern. Spectral mixture analysis and rangeland monitoring + sciencedirect+free download differences, especially the cetane reduction, require that adequate control of the biofuel concentration be implemented. The ability to accurately characterize textile fibres is important in many fields, including textile conservation, forensic analysis and industrial production. Conventional methods such as microscopy and spectroscopy can be used to investigate the morphology and chemistry of a sample, but reveal little about its miscrostructure.
Common adulterants found in Manuka honey include beet, corn and rice syrups. The differing photosynthetic pathways in the plants used to produce these adulterants generally means that different techniques are required to detect them. IR spectroscopy is an ideal method for quantifying benzene at the concentration levels required, and there are several standard methods for this measurement, all of which utilize the distinctive C—H out-of-plane deformation band at around cm While this band is characteristic of benzene, toluene and xylenes have some weak absorption at this frequency that can interfere with the results if high concentrations are present.
This note describes the test method for the quantitative analysis of aerosol oil and liquid oil typically present in the air discharged from compressors and compressed air systems. The method is rapid, sensitive and cost effective and shows the FT-IR can be an effective tool for the monitoring of oil content. The methodology followed for the analysis by FT-IR is reported in Bureau of Indian Standard and we have also tested for its ruggedness, spike recovery, spectral mixture analysis and rangeland monitoring + sciencedirect+free download, linearity and detection limits.
The concentration of dispersed oil and grease is an important parameter for water quality and safety. Oil and grease in water can cause surface films and shoreline deposits leading to environmental degradation, and can induce human health risks when discharge. This work shows an on-site, rapid and low-cost technique for the accurate measurement of flower potency. FT-NIR spectroscopy provides rich information regarding the chemical composition of cannabis flower.
When combined with chemometrics, the FT-NIR offers unparalleled speed and simplicity that cannot be matched by traditional techniques. The use of FT-NIR directly at the grow site would reduce overall research and development costs for cultivators.
Infrared spectroscopy is particularly suitable for the identification of materials, even when the differences between the materials are subtle variations in complex mixtures.
In this note we demonstrate that biodiesel from several common feedstocks can be distinguished on the basis of absorption bands arising from double bonds in the fatty acid chains. Verifying the FAME content of diesel-fuel blends is an important aspect of quality control and auditing of blending and distribution operations. Because FAME has a strong infrared absorption at cm-1 due to the ester carbonyl group, infrared spectroscopy is an excellent technique for this analysis, and there are EN and ASTM® standard test methods spectral mixture analysis and rangeland monitoring + sciencedirect+free download the procedure.
Glycerol or glycerin is a colorless, spectral mixture analysis and rangeland monitoring + sciencedirect+free download, odorless liquid that is generally safe for human exposure and consumption. It has many uses in the food, pharmaceutical and personal care industries due to its range of versatile properties allowing it to act as a sweetener, lubricant and humectant, spectral mixture analysis and rangeland monitoring + sciencedirect+free download.
Unscrupulous suppliers may adulterate glycerol to increase their profits. Diethylene glycol DEGthe most common adulterant, has a number of properties similar to glycerol and is roughly three times cheaper. However, ingestion of DEG is toxic and thousands of reported cases of DEG poisoning have resulted in illness and fatalities worldwide.
This study shows that using mid-infrared spectroscopy can detect DEG at that level. Most cannabis extraction processes, independent of solvent or instrument choice, undergo a decarboxylation step whereby the carboxylic acid functional group is removed from the cannabinoids.
The ability to monitor this reaction over time would enable manufacturers of cannabis extract to optimize extraction conditions and identify process deviations. Thermogravimetric analysis TGA is a common technique that is used to study the weight loss during heating. It can tell you the percentage of weight loss quantitatively and accurately. But TGA alone will not tell you anything about the chemical components of the evolved off gas. The TG-IR hyphenation technique has been widely used for the polymer industry.
This application note demonstrates how to combine the strength of TGA and FT-IR analysis to offers a more comprehensive material characterization. In this compendium you will find a wide range of applications for polymers, plastics, rubbers and advanced materials.
Discover how to put these applications to work for you simply and efficiently. Infrared microscopy is a well-established analytical technique for the measurement and identification of small samples down to a few micrometers in size, spectral mixture analysis and rangeland monitoring + sciencedirect+free download. It is used extensively in the polymer, pharmaceutical, chemical, food, and electronics industries, to name a few, spectral mixture analysis and rangeland monitoring + sciencedirect+free download, often identifying small contaminants or foreign objects of unknown origin.
In forensic applications small particles of materials such as drugs, paint chips, residues or fibers are often collected as evidence and analyzed by IR microscopy. As the importance of sustainable energy production increases, so too does the global commitment to using fuels from renewable biological sources.
Biodiesel is one such renewable fuel. Consisting of fatty acids of methyl esters FAMEit is produced from plant crops by transesterification — a reaction in which natural triglycerides are cleaved and reacted with methanol, producing glycerol and FAME. Rapeseed, soy, sunflower, palm and jatropha are just part of the range of feedstocks used globally in the production of biodiesel.
To keep the focus on the riders and the bikes, the North West requires each team to use a race-supplied control fuel. When it comes to testing, race organizers depend on highly accurate results within 10 minutes of sample collection.
With that goal in mind, Euro M-Sport conducted exhaustive research on the available analytical options and instrumentation that would meet the specifications of the NW fuel testing requirements. This note explores more environmentally-friendly approaches to the use of IR spectroscopy for detecting and quantifying hydrocarbon contamination.
This article describes methods for identifying and quantifying microplastics within organic-rich wastewater samples. This article explains microscopic particle pollution in water with the effect also on food chain and decribes IR spectrometry analysis technique used to determine and quantify all kinds of plastic in the water.
Manufacturers are continually challenged to ensure effective quality control and streamline processes while meeting stringent standards. In response, we've gained years of experience developing a range of analytical capabilities to address a wide range of polymer analysis needs. Download the interactive brochure to learn more about the most common challenges and our solutions in the market. Powerful and adaptable, the Frontier meets all your current analysis needs and can be expanded as your research goals evolve.
And with automated range switching, mid- near- or far-IR techniques are available at your fingertips, spectral mixture analysis and rangeland monitoring + sciencedirect+free download. An exceptional signal-to-noise ratio and photometric performance assures optimal spectral performance to ensure best-in-class sensitivity. This configurable platform provides dependable, consistent and trouble-free operation through years of service.
But how else does one describe a laboratory instrument that will dramatically improve the understanding of materials across an unprecedented range of industries. It is quite simply the most productive laboratory FT-IR imaging system in the world.
For higher educational institutions to continue to attract the highest caliber of students it is critical to have up-to-date technologies accessible in teaching laboratories. Historically, operational budgets have been limited and with intermittent use, universities could not justify the purchase. With the unique optical design, the Avio only requires a minute warmup when powered on — it is perfect for an academic setting where the instrument will see intermittent use throughout a day or month.
Combined with the low argon consumption while spectral mixture analysis and rangeland monitoring + sciencedirect+free download operation resulting from the flat-plate design, the Avio is the perfect instrument for universities to use in both teaching and research scenarios.
Your in-service lubricant testing lab demands high spectral mixture analysis and rangeland monitoring + sciencedirect+free download and reliable results.
The needs for polymer, pharmaceutical, chemicals, food and beverage, and environmental analyses are constantly changing due to innovation demands and regulation changes. Evolved Gas Analysis EGA solutions combine multiple analytical technologies to empower speed and advanced information acquisition. This comprehensive technology guide is your guide to understanding how hyphenation provides the insights - not just WHEN something has happened, but also WHAT happened.
This poster describes analytical application example of FT-IR microspectroscopy for microplastic analysis which are used as exfoliating microbeads in cosmetics and personal care products. The Polymer Market consists of a huge diversity of manufacturers of industrial products running many different processes yet still facing similar challenges.
There is more and more pressure to achieve high product quality and reduce costs in order to stay one step ahead of the competition. This poster describes the detection and identification of plastics in the micron range in the context of oceans, surface waters, and other environmental compartments with the technique of FTIR combined with the features of microscopy and imaging.
Polymer and plastics recycling is a rapidly growing industry, fueled by the increasing consumption of goods and the associated increase in landfill waste. Not only does plastic recycling reduce environmental problems caused by polymeric waste accumulation, it will also lead to a decrease in oil consumption and green-house gas emissions.
The PerkinElmer Recycling Packages make use of the most commonly used techniques for material characterization and additionally supports the Plastic Identification Codes PICused worldwide for packaging applications. Designed for novice and advanced spectroscopists who need to integrate accurate quantitative analysis into their IR or NIR analysis.
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Fast, accurate analysis you can act on. Results returned in seconds paired with full safety and treatment information. Automatic mixture analysis. Enhances substance identification capability and eliminates the need for subtraction of spectra. Easy to use. Intuitive menu-driven user interface for fast training and proficiency. Easy maintenance. The spectrum analyzer above gives us a graph of all the frequencies that are present in a sound recording at a given time. The resulting graph is known as a spectrogram. The darker areas are those where the frequencies have very low intensities, and the orange and yellow areas represent frequencies that have high intensities in the sound. You can toggle between a linear or logarithmic. Assessing and monitoring the state of the earth surface is a key requirement for global change The correspondence analysis method based on the spectral transformation of individual date images into a component space was applied to two multi-temporal Landsat images of Raleigh, North Carolina for land use and land cover change detection (Cakir et al. ). Due to the limitation of spatial.
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