1851-1875 of 2047 Resource Library
1851-1875 of 2047 Resource Library
APPLICATION NOTE
Introduction Per- and polyfluoroalkyl substances (PFAS) are a diverse group of synthetic organic compounds which have been utilized as aqueous film forming foams (AFFF) for firefighting purposes, and as stain and water resistant coatings on a number of …
APPLICATION NOTE
Introduction Biodiesel is seldom used neat (B100), typically being blended with fossil diesel at ratios from 5% v/v (B5) to 30% v/v (B30). Verifying the FAME content of diesel-fuel blends is an important aspect of quality control and auditing of …
APPLICATION NOTE
Introduction Biodiesel fuels are often blended compositions of diesel fuel and esterified soybean oils, rapeseed oils, or other potential vegetable oils as well as fats. The physical and combustion properties of these biofuels have allowed them to …
APPLICATION NOTE
Introduction Isoflavones are water-soluble compounds found in many plant and food sources. Designated as phytoestrogens, isoflavones are structurally similar to to the female hormone estrogen, and have been shown to exhibit a number of beneficial …
APPLICATION NOTE
Introduction Aflatoxins are a group of naturally occurring mycotoxins produced by molds such as Aspergillus flavus and Apsergillus parasiticus, which have detrimental effects on humans, animals, and crops resulting in illness and economic losses. …
APPLICATION NOTE
Introduction The most significant challenge in trace element analysis of drinking water is ensuring detection capability that complies with the regulatory framework at the same time as maximizing sample throughput. The NexION® 1100 ICP-MS solves the …
APPLICATION NOTE
Introduction Gold nanoparticles (AuNPs) are widely used in industrial and medical applications. They are known to form naturally during the weathering of Au-bearing mineral deposits, as well as the transformation of gold nuggets and particles. In …
APPLICATION NOTE
Introduction Accurate monitoring of moisture, protein, ash and starch content of dry peas is important for quality control and cost monitoring. Since dry peas are a bulk commodity, there is a need to analyze many samples quickly. Reference methods of …
APPLICATION NOTE
Introduction Haloacetic acids (HAAs) are a class of undesired by-products resulting from the reaction of chlorinated disinfectants with natural organic matter in water, Which is known to be carcinogenic. The Japan Ministry of Health revised the …
APPLICATION NOTE
Introduction Similar to Sweetened condensed milk (SCM), monitoring butterfat and total solids in ice cream bases can enable consistent quality and safeguard producer profitability. Historically, NIR instrumentation had limited success in the …
APPLICATION NOTE
Introduction Since 2003 the usage of azo and non-azo dyes for food coloring has been declared as illegal by many of the food international authorities across the globe. That is because these substances such as Sudan I,II,III,IV and Rhodamine B, are …
APPLICATION NOTE
Introduction This study was to measure the levels of PAHs concentrated on the surface of microplastic particles in order to begin to understand the risk to the marine biological ecosystem. This work demonstrates the fast, effective chromatographic …
APPLICATION NOTE
Introduction Perfluorinated compounds (PFCs) have received lots of attention recently due to their resistance to degradation in the environment. Reports of their occurrence in tap water, food or even human blood have led to concerns of their impact on …
APPLICATION NOTE
Introduction Liquid chromatography-tandem mass spectrometry (LC/MS/MS) has become the method of choice for pesticide. The state of Oregon has issued regulatory limits for 59 pesticide residues in both cannabis flower and concentrates, while other states …
APPLICATION NOTE
Introduction One of the most challenging analytical problems with increasing importance is the possibility to analyze soil polluted by the dispersion of organic fluids which sometimes features particularly high boiling points. The current techniques …
APPLICATION NOTE
Analysis of Drug Substances in Common Cold Medicines with the PerkinElmer Flexar FX-15 System Equipp
Introduction The misuse of cold remedies can be prevented by appropriate medical indications and accurate label claims. To that end, the U.S. Food and Drug Administration and the pharmaceutical industry have made it a standard procedure to routinely …
APPLICATION NOTE
Introduction The analysis of all incoming pharmaceuticalraw materials is a key part of 21CFR compliance (section 211.84). It is therefore important to have a high-throughput method by which raw materials may be analysed in a loading bay or …
APPLICATION NOTE
Introduction In materials research there is sometimes a need to scan high absorbance samples such as laser protection lenses, optical filters, and polarization materials. Such sample types often need to be measured across the whole UV, Vis and NIR …
APPLICATION NOTE
Introduction Building or Architectural glass products control the amount of light and heat entering a building, offering safety and security, insulation against noise, providing privacy, comfort and decoration. Building glass products can play a vital …
APPLICATION NOTE
Introduction The EU Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) regulation was adopted in 2006 with the aim of protecting human and environmental health, along with the competitiveness of the chemical industry within the …
APPLICATION NOTE
This application note demonstrates the ability of Dynamic Mechanical Analysis (DMA) to characterize the mechanical properties of an epoxy based printed circuit board (PCB) using a PerkinElmer® DMA 8000. The modulus of the PCB is measured providing an …
APPLICATION NOTE
This application note demonstrates the ability of Dynamic Mechanical Analysis (DMA) to characterize the mechanical properties of an epoxy based printed circuit board (PCB) using a PerkinElmer® DMA 8000. The modulus of the PCB is measured providing an …
APPLICATION NOTE
Introduction With the development of nanotechnology and the increased use of nanoparticles (NPs) in numerous products and processes, the need to characterize them has also grown. Nanoparticles come in a wide variety of compositions, with silica dioxide …
APPLICATION NOTE
Introduction To better understand the impact of nanoparticles, several key characteristics need to be assessed, such as concentration, composition, particle size, shape and other surface characteristics. The NexION® SP-ICP-MS, with Syngistix™ Nano …
APPLICATION NOTE
Introduction With the increasing use of nanomaterials in a wide variety of products and processes, the need to measure and characterize them has also grown. Single particle ICP-MS (SP-ICP-MS) was developed specifically for metallic and metal-containing …