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1101-1125 of 2239 Resource Library
1101-1125 of 2239 Resource Library
APPLICATION NOTE
Introduction The main source of elements and minerals has traditionally been mining from geological deposits in the earth. While an effective strategy for many elements, it is not the most efficient for elements which are not naturally abundant at high …
APPLICATION NOTE
Introduction Nitrofurans and phenicols are a class of broad-spectrum antibiotics that are widely used to kill or slow down the growth of bacteria in the aquaculture industry. The use of nitrofurans and their metabolites has been banned by several …
APPLICATION NOTE
Introduction Most of the copper (Cu) concentrates produced globally contain some impurities, which can affect the price as copper concentrates containing high levels of impurities are not accepted by some smelters. To permit treatment and to maximize …
WEBINAR
In recent years, given the growing recognition of the scale of the problem of plastics pollution, the application of FT-IR as a versatile analytical technique has increasingly played a central role in the investigative work of the Greenpeace Research …
WEBINAR
This webinar provides novel insights into the fate and ecotoxicological effects of emerging contaminants in marine ecosystems. Our speaker first focuses on microplastics and highlights an investigation of a large selection of biological models, including …
APPLICATION NOTE
Introduction The data shows the suitability of the LAMBDA 265 for producing rapid, high-quality spectra. It also shows that the instrument is able to measure the higher nanoparticle sizes, even though these scatter light to a greater extent due to the …
APPLICATION NOTE
Introduction Soft drink products serve as a major revenue stream for food and beverage manufacturers, with a global market size of USD 237 billion in 2021. Due to the popularity and wide consumption of these products, product consistency, which drives …
APPLICATION NOTE
Introduction Polybutadiene rubbers are used for the fabrication of car tires, wiper blades, gaskets, and other products where the ability to deform and return to the original shape are important. The glass transition temperature is of vital importance …
APPLICATION NOTE
Introduction Polyethylene glycol (PEG) is a polyether compound derived from petroleum and one of the most popular polymeric materials with diverse industrial/biological/medical applications. PEG is routinely synthesized by polymerizing ethylene oxide, …
APPLICATION NOTE
Introduction Rare earth elements (REEs) are increasingly important in the production of high-specification electronic devices, and their discovery requires a rapid and cost-effective screening of survey samples for REE content, as greater resolution of …
APPLICATION NOTE
Introduction Per- and polyfluoroalkyl substances (PFAS) are a group of synthetic chemicals developed in the 1940s, and widely used for their surfactant properties. Due to their prevalent use within consumer products and persistence in nature, PFAS have …
APPLICATION NOTE
Introduction Governing bodies have implemented various directives to monitor acrylamide in drinking water. This also applies in the European Union where the water framework directive and subsequent daughter directives have defined many priority …
APPLICATION NOTE
Introduction Fourier Transform Infrared (FT-IR) Spectroscopy is used routinely in the analysis of both new and in-service lubricants to determine chemical attributes such as oxidation, nitration, sulfation, water and soot. FT-IR microscope is a valuable …
APPLICATION NOTE
Introduction Tobacco specific nitrosamines (TSNA) are a group of chemicals found in tobacco, smokeless tobacco, and tobacco smoke. They are widely considered to be among the most important arcinogens in tobacco products and cigarette smoke. Tobacco …
APPLICATION NOTE
Introduction The increasing demand for organic products, evolving global regulations, and improving accessibility of agricultural hubs to global markets results in pressure on food safety precautions. Translating, in part, to increased pesticide residue …
APPLICATION NOTE
Introduction Growing health concerns regarding Per- and polyfluoroalkyl substances (PFAS) and their prevalence in consumer goods and the environment indicates a critical need to perform existing and upcoming regulatory methods efficiently and reliably …
APPLICATION NOTE
Introduction Vitamins are involved in a variety of different physiological processes and must be assimilated with the daily nutrition as they cannot be synthesized within the human body. The biochemical functions of vitamin C (ascorbic acid) are mainly …
APPLICATION NOTE
Introduction Organic solvents are commonly used in the production of active pharmaceutical ingredients (API) and pharmaceutical products. The solvents are used for varying purposes including as synthesis reaction media, in the separation and …
APPLICATION NOTE
Introduction There are many types of nanocomposites - such as epoxy, polymer, and carbon tube materials. Nanocomposites are made from embedding materials into one another with at least one of the phases showing dimensions in the nanometer range. This …
APPLICATION NOTE
Introduction USP 467 is a widely used method for the determination of residual solvents in pharmaceutical products using gas chromatography (GC) with a flame ionization detector (FID). Due to the prescribed GC method settings, USP 467 has a long run …
APPLICATION NOTE
Introduction When CASE chemicals like coatings and paints are formulated, pigments, binding agents, and additives are dissolved into a carrier solvent, often a volatile organic compound (VOC) or water. This solvent functions to lower the mixture’s …
APPLICATION NOTE
Introduction There are a wide variety of characterization techniques which may be used to identify drugs of abuse, including infrared spectroscopy, Raman spectroscopy, mass spectrometry, gas chromatography, x-ray diffractometry, immunoassays and urine …
APPLICATION NOTE
Introduction The sale of alcoholic beverages is regulated and taxed differently than non-alcoholic ones. Other food products, such as fruits and sauces, may contain alcohol as well from natural fermentation. This application note will expand upon the …
APPLICATION NOTE
Introduction Fats and oils are used in cooking as a frying medium or as an ingredient in baking. Autoxidation of lipids in the fats and oils proceeds as a free-radical chain reaction that leads to rancidity causing foul flavors and smells. Phenolic …
APPLICATION NOTE
Introduction Histamine is a naturally occurring contaminant that can be found in improperly handled seafood. Quality tuna has histamine levels below 50 ppm and high levels of histamine in seafood can cause scombroid food poisoning. Scombroid poisoning …