651-675 of 1358 Resource Library
651-675 of 1358 Resource Library
ARTICLE
Introduction Per- and polyfluoroalkyl substances (PFAS) are of increasing concern. In October 2021, the U.S. Environmental Protection Agency (EPA) announced an action plan for addressing PFAS , including establishing maximum contaminant levels for …
GUIDE
Introduction With a wide variety of stationary phases and column dimensions commercially available in the market, it can be difficult to select the right HPLC column for your application. PerkinElmer is here to help. This comprehensive guide provides …
ARTICLE
Introduction Alkylphenol ethoxylates (APEOs) are common surfactants used in in industrial and consumer detergents and cleaners, as well plastics and many industrial applications. Nonylphenol ethoxylates (NPEOs) belong to the group of non-ionic …
GUIDE
Introduction Even with robust preventative maintenance practices and schedules in place, sometimes problems appear that affect data quality and need to be resolved as quickly as possible. The first step to being able to solve problems quicky is to be able …
GUIDE
Introduction Accurate, reproducible trace elemental analysis is essential to ensuring the quality and safety of our products and our environment, and the award-winning NexION® ICP-MS platform delivers that level of accuracy and repeatability through a …
GUIDE
A P P L I C A T I O N N O T E ** conclusion or other key text ** Approx. 220 Characters Introduction This document provides information to assist in preparing your laboratory site for the NexION® 1100/2200 ICP-MS systems prior to instrument delivery and …
ARTICLE
Introduction With the growing concern about environmental sustainability, interest in biofuels and new energy continues to grow. One such renewable fuel is biodiesel, which can be made from any form of fat, whether from animals or plants. Converting …
GUIDE
MPS 320™ Consumables and Supplies Guide BECAUSE THE FIRST STEP DETERMINES THE LAST OPERATE WITH RELIABILITY EASE ANDBECAUSE THE FIRST STEP DETERMINES THE LAST Introduction and Overview The MPS 320™ is a reliable and easy-to-operate microwave digestion …
GUIDE
T E C H N I C A L N O T E Gas Chromatography Introduction Although small and inexpensive, the injection port septum, a.k.a. inlet septum, plays an essential role in GC performance as it maintains the hermetic seal between the GC flow path and the outside …
GUIDE
GC COLUMN FERRULE SELECTION GUIDE Choice of Ferrule Material Our ferrules are available in different material types: n Pure Graphite (Ferrule Code: OGF) n Graphite/Vespel® (Ferrule Code: GVF) Graphite Ferrules (Ferrule Code: OGF) Graphite ferrules (Figure …
WEBINAR
Introduction Among the standard techniques utilized for determination of nutritional elements in food and beverages are atomic absorption (AA) and inductively coupled plasma (ICP-OES/AES). While ICP-MS can also be used for determination of toxic elements, …
APPLICATION NOTE
Introduction Parabens are utilized as an antimicrobial preservative in many commercial offerings including cosmetics, personal care products and foods, and offer both chemical and thermal stability to products. Although parabens increase the safety of …
APPLICATION NOTE
Introduction The extraction of metals from ore at a mining plant requires the routine analysis of various samples, which include the feed (crushed ore), the tails (waste ore after processing) and the concentrate (final product). In this work, …
APPLICATION NOTE
Introduction With climate change, access to fresh water is decreasing in many areas around the world. Combined with the continuing rise in global population, a shortage of potable water is imminent unless other sources of fresh water can be found. One …
APPLICATION NOTE
Introduction The late 20th century to early 21st century has been described as the Silicon Age, because of the large impact that elemental silicon (Si) has had on the world economy. Highly purified Si used in semiconductor electronics is essential in …
APPLICATION NOTE
Introduction To maintain healthy engines, both their lubricants and coolants need to be changed or monitored regularly. Lubricant analysis for additives and wear metals by ICP-OES is standardized and has been occurring for years. However, since the …
APPLICATION NOTE
Introduction Condition monitoring of lubricants with FTIR spectroscopy is a useful diagnostic tool that can help us to determine whether a lubricant is fit for purpose during its service life. However, analyzing lubricating grease is different to …
APPLICATION NOTE
Introduction With the increasing use of lithium (Li) in a wide variety of products, especially for batteries, there is a growing demand for Li and its compounds. Li-containing geological materials must be characterized for both their major and minor …
APPLICATION NOTE
Introduction Our pets’ diet should provide essential nutrients in the correct quantities to ensure their proper nutrition. These nutrients include vitamins, essential fatty acids, proteins, amino acids, and minerals, all of which support a pet’s …
APPLICATION NOTE
Introduction Silicon (Si) is the most used semiconductor and is a critical element for producing circuits found in everyday electronics. As more industries utilize semiconductor devices and Si wafers in electronic products and services, there is an …
APPLICATION NOTE
Introduction Fine and specialized chemicals are used throughout the manufacturing process of semiconductor and electronic products, requiring strict control of impurities. Among these impurities, contaminants of inorganic nature can adversely affect …
CONTENT HUB
Introduction In this Virtual Chemicals Testing Summit, the series of webinars and resources are focused on overcoming research and development and analytical testing challenges in the agricultural chemicals or, agrochemicals arena. Presentations are …
APPLICATION NOTE
Introduction Metallic contamination in semiconductor products adversely affects device performance and impacts the yield of the fabrication process. To meet the demand for higher yields and performance in wafer substrates, contamination must be …
APPLICATION NOTE
Introduction Biofuels continue to be of key importance to the energy sector as more renewable fuel solutions are developed to contribute to global climate goals and resolve energy shortages. Fatty Acid Methyl Ester (FAME) Biodiesel (B100) is a key …
APPLICATION NOTE
Introduction Microplastics are a major concern due to their impact on the environment. There is growing research into microplastics, typically submillimeter in size, and which often end up in waterways and oceans. They remain in a suspended state and …