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476-500 of 2444 Resource Library
476-500 of 2444 Resource Library
APPLICATION NOTE
Introduction Sucrose is a well known material used for a variety of applications. In its simplest form it is used as sugar in cooking or for coffee. It is also used as an excipient in some pharmaceutical preparations. This study showshow the amount of …
APPLICATION NOTE
Introduction One important aspect associated with many pharmaceutical materials is the water content. Moisture, in the form of free water or hydrate(s) (chemically bound) will affect the properties of the pharmaceutical material including: thermal …
APPLICATION NOTE
Introduction Many pharmaceutical materials exhibit polymorphism, and depending upon the given processing conditions, the crystalline form may exist in two or more states. The existence of these polymorphic crystalline states is important for many …
APPLICATION NOTE
Introduction The concept of High-Throughput Design has gained more and more interest as a way to increase profitability and to decrease research costs. One technique that can increase the ability of a laboratory to evaluate formulations is HyperDSC™ or …
APPLICATION NOTE
Evolved Gas Analysis: A High Sensitivity Study of a Solvent of Recrystallization in a Pharmaceutical
Introduction Thermogravimetric analysis (TGA) of materials is commonly used to measure weight loss as a sample is heated or held isothermally. In the pharmaceutical industry, materials often show weight losses associated with the loss of solvent/ water, …
APPLICATION NOTE
Introduction Titanium dioxide (TiO 2 ) nanoparticles are commonly used in sunscreens as part of the formulation to block the sun’s harmful UV rays. As the use of nanoparticles (NPs) in consumer products has increased, concern has risen as to the health …
APPLICATION NOTE
Introduction For many children around the globe, commercial baby foods are the main source of nutrients and energy, and therefore their quality and safety are critical and must be monitored. In March 2021, the U.S. House of Representatives introduced …
APPLICATION NOTE
Introduction Consumption of seafood is the primary exposure route of methylmercury for humans, emphasizing the importance of accurately measuring methylmercury in fish. As with all analytical method setup, the determination of methylmercury content in …
WEBINAR
Introduction Laboratories performing wastewater, surface water, and effluent testing contend with a multitude of demands: Analyzing a diverse range of contaminants, which mandates a variety of methods and techniques while managing a large volume of …
APPLICATION NOTE
Introduction Ochratoxin A (OTA) is a secondary metabolite produced by Penicillium and Aspergillus fungi species found in soil and organic matter, and is one of the most widely reported of the nearly 400 recognized mycotoxin contaminants of agricultural …
APPLICATION NOTE
Introduction Polycyclic aromatic hydrocarbons (PAHs), a class of complex compounds containing two or more benzene rings, are widely found in the environment and food. PAHs are formed during the incomplete combustion of organic matter, such as wood …
APPLICATION NOTE
Introduction Patulin, a toxic mycotoxin substance produced by molds, such as Penicillium, Aspergillus, and Byssochlamys, is frequently found on fruits, vegetables, cheese and grains. Patulin contamination is most common on damaged fruits, often intended …
APPLICATION NOTE
A P P L I C A T I O N N O T E ** conclusion or other key text ** Approx. 220 Characters Technology Line 1 Technology Line 2 Introduction Since there are no federal regulations for pesticide analysis in cannabis, individual states define and regulate the …
APPLICATION NOTE
A P P L I C A T I O N B R I E F Physical Testing - Food AUTHORS Emily Moore PerkinElmer, Inc., Ontario, Canada Jennifer M.C. Dang Research Scientist PerkinElmer, Inc., Sidney, Australia Martin Hallin Research Scientist PerkinElmer, Inc., Stockholm, Sweden …
APPLICATION NOTE
Introduction Separating and measuring the physical and chemical properties of monometallic and bimetallic engineered nanoparticles (NPs) is challenging, especially when mixtures of NPs consist of particles of similar size, composition, and especially …
APPLICATION NOTE
Introduction Thallium is considered one of the most toxic heavy metals and a cumulative poison that can cause adverse health effects and degenerative changes in many organs. The main threat to humans is through occupational exposure and environmental …
GLOSSARY
Introduction Your lab productivity depends on reliable and efficient use of a complex network of capital equipment, software systems, reagents, consumables, and personnel. Confounding this, lab managers are frequently asked to do more with less — more …
APPLICATION NOTE
Introduction BTEX are regulated toxic compounds while benzene is also an EPA target carcinogen. The investigation of these compounds, especially in drinking water at low levels, is critical to protect public health. This application note focuses on …
APPLICATION NOTE
Introduction In this work, samples were digested with aqua regia using reflux conditions according to DIN method 38414. After proper dilution of the digested sample solution, Hg was measured interference-free using SnCl2 as the reductant. The recoveries …
APPLICATION NOTE
Introduction Customer complaints of odors within a new car are rising with the increasing number of new car buyers. Although odors can be subjective, it is now well known that the new car smell is the result of chemicals emitted from the in-vehicle …
APPLICATION NOTE
Introduction This method outlines the analysis of volatile organic compounds in a variety of solid waste matrices including various air sampling trapping media, ground and surface water, soils, and sediments among others. The method requires not only …
APPLICATION NOTE
Introduction Microwave sample preparation provides an efficient and clean sample preparation for multi-element analytical techniques such as ICP-OES and ICP-MS. As Microwave assisted digestion has evolved, so have the methodologies. EPA method 3052 is …
APPLICATION NOTE
Introduction Methyl-tert-butyl ether (MTBE) and the combination of benzene, toluene, ethylbenzene, and xylenes (BTEX), are routinely monitored in soil and ground water to determine whether petroleum contamination has occurred due to industrial runoff, …
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 …