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31 matches found for environmental_analysis

High-purity Carboxylic Acids for Trace-level Determinations

Michael Jeitziner, Market Segment Manager Analytical Reagents & Standards Organic acids are weak acids that don’t dissociate completely in water. They are often used in trace analysis applications as buffer and complexing agents for improving the separation. Further on, as...

LC×LC/MS Method for Identification of Triacylglycerols in Marine Organisms using Different Extraction Procedures

The sea and its living organisms constitute samples of high interest in environmental analysis. Knowledge of the chemistry of the sea and marine species can provide reliable information about pollution (through direct analysis of the water or measurement of bioaccumulated contaminants), nutritional ...

Supelco Reporter Newsletters, 2012

2012 Volume 30.1 (January) Reporter 30.1 (t212001) Download PDF (2.2 MB) Feature Article: SPME-GC-MS Procedure for the Determination of Phthalate Esters in Ramen Noodle Flavor Packets Pharmaceutical & Bionanalysis: Sensitive Determination of L- and D-Lactic Acid Enantiomers by HPLC-MS-MS Improved Co...

World Mycotoxin Forum 2018

Related Products • Food & Beverage Analysis • Supel™ Tox SPE Cartridges • SupelMIP Molecularly Imprinted Polymer SPE Cartridges • Ascentis® Express 2 µm UHPLC Columns • Mycotoxins standards • Pesticides & Metabolites Related Links • News On Newsletters (Europe) • Analytix Reporter To provide you wit...

MultiScreen® Plates

No matter what application you’re working with, we have a plate developed to meet your specific needs. MultiScreen® plates have a long history as a reliable tool for the advancement of drug discovery, diagnostics, and life science research. Our multiwell plates enable simple, rapid, automation-compa...

BERM 14 Symposium Program / Agenda

Symposium Program with Abstracts BERM home page Symposium Hours Organized Sessions Orals Posters (Authors Present)* Exhibition Hours Monday, October 12, 2015 Tuesday, October 13, 2015 Wednesday, October 14, 2015 Thursday, October 15, 2015 8:30 am - 6:00 pm 8:30 am - 6:00 pm 8:30 am - 6:00 pm 8:30 am...

Spectroquant® Test Kits for Spectrophotometric Analysis

For Swift, Secure and Precise Analysis, There is No Better Choice Than Spectroquant® Test Kits. Ready-to-Use Test Kits – optimized and easy handling for routine and special analyses. Reliable Results – with validated standard-compliant reagents Bar-code Identification – automated method recognition ...

What do we do for Bottled Water Analysis?

There are many different regulations and methods for testing bottled water, depending on the type of water and the country or region of the world. In our microbiology product range you will find all the equipment you need to perform your microbiological analysis of bottled water. From hardware such ...

Solvents Applications and Markets

Solvents tailored for specific applications and markets can be found by exploring the expansive range of Sigma-Aldrich products. Agro, Food and Beverage Bioanalytical & Biotech Applications Chemical Industry Environmental Analysis Pharmaceutical Applications

Hydrogen: A Carrier Gas Alternative to Helium

• • Download PDF • Carrier gas for gas chromatography (GC) should be an inert gas that does not react with the sample component. Its main role is to transport the vaporized solute molecules through the column. The selection of the carrier gas and the linear velocity it uses both...

New Food Matrix CRMs from Joint Research Centre (JRC)

The reference material production of the JRC (Joint Research Center), a Directorate-General of the European Commission is situated in Geel, Belgium. The JRC’s mission is to promote a common and reliable European measurement system in support of EU policies. This involves the development and manufact...

Testing Service for radiello® Diffusive Samplers

Looking for analytical testing services? Below is a list of test labs we recommend for radiello products. Please contact these labs directly; their services are not available through Sigma-Aldrich. Europe Istituti Clinici Scientifici Maugeri (ICSM) IPROMA laboratorio y asesoria TERA Environnement La...

Improving Environmental Analysis using Solid Phase Microextraction (SPME) in Sample Preparation

Date: Wednesday, May 22, 2019 Time: 11:30 (India), 14:00 (China, Taiwan, Singapore), 15:00 (Korea, Japan), 16:00 (Australia), 18:00 (New Zealand), 08:00 AM (CET) Duration: 75 minutes Presenters: Dr. Frank Michel, Analytical & Chromatography Scientific Advisor Improving Environmental Analysis using S...

Supelco ASSET™EZ4 Dry Samplers for Isocyanates

Related Products • ASSET Sampler • Analytical Standards Related Information • Sample Extraction Procedure for ASSET Product flyer To learn more about the ASSET EZ4 sampler, please watch the short video below Video Introduction to ASSET (4min) Two ASSET EZ4 Samplers Available Providing Ultimate Sensi...

Solvents for Gas Chromatography SupraSolv®

Dedicated Solvents for Your Gas Chromatography Applications SupraSolv® solvents are developed specially for sample preparation in gas chromatography. Ideally suited for all GC applications including sensitive detection tasks in residue and environmental analysis, SupraSolv® solvents offer you the se...

BERM 14 Plenary and Keynote Speakers

(back to Technical Program) BERM home page Plenary Speakers: Derek Craston – LGC Limited, Teddington, UK Raymond Cypess – American Type Culture Collection (ATCC), Manassas, VA, USA Hendrik Emons – Institute for Reference Materials and Measurements (IRMM), Geel, Belgium Daniel Fabricant – Natural Pro...

Microbiology Manual

Microbiology Manual 4th Edition 2014 (KJG) Microbiology Products for • General Microbiology • Food Analysis • Environmental Analysis • Molecular Biology • Clinical Microbiology

Are You Made of Sugar? Examples of Ion Chromatography Applications for Sugar Testing in Food and Environmental Analysis

Carbohydrates constitute the biggest part of the biomass on Earth. They are produced by photosynthesis and are present in all plants and plant-based materials. The amount and composition of carbohydrates in a sample can reveal a wide range of information, depending on the context. As a result, they ...

Solvents for Environmental Analysis

Environmental analysis is an important aspect for improving health and quality of life. We offer a complete selection of solvents to support reliable and sensitive environmental analysis methods. An overview on all products and services for environmental testing can be found on the Environmental and...

Analytix Reporter – Analytical Journal

Featured Article • Titration 4.0, SmartChemicals View Archived Issues • Analytix • The Reporter Sign Up Subscribe here to receive your copy of Analytix Reporter. Analytix Reporter Issue 6 | 2019 Download PDF Science & Technology Innovations • Titration 4.0 - SmartChemicals Improve Titration Data Int...

HPLC Analysis of Carbamate and Urea Pesticides

sample/matrix: 3 mL water containing 8ng/mL of each analyte in 10% NaCl SPME fiber: PDMS/DVB, 60 μm (57317) extraction: immersion, 40 min, rapid stirring desorption process: static, 5 min in acetonitrile:water (65:35); dynamic, valve open during run column: SUPELCOSIL LC-8, 15 cm × 4.6 mm I.D., 5 µm...

Certified Reference Materials for 19F Quantitative NMR Ensuring Traceability to “The International System of Units” (SI)

In recent years quantitative NMR (qNMR) spectroscopy has become one of the most important tools for content determination of organic substances and quantitative evaluation of impurities. The implementation of qNMR for new application fields, e.g. metabolomics, environmental analysis and physiologica...

Solvents for Organic Trace Analysis UniSolv®

The Universal Solvent for Every GC Application Like SupraSolv®, UniSolv® solvents are designed for challenging sample preparation tasks in gas chromatography such as sensitive detection processes in residue and environmental analysis. Unlike the more specialized SupraSolv® products, however, our uni...

Environmental Pesticide Standards

We offer a comprehensive portfolio of pesticides standards and CRMs. Under the well-known brands PESTANAL® and TraceCERT® more than 1300 high purity pesticides and pesticide metabolites for food, environmental, and toxicology/forensic analyses are available. Products are available as neats and singl...

Environmental Testing

We understand the needs of environmental testing laboratories to use accurate and cost-effective methods. We offer complete solutions for analytical consumables, whether you are performing organic or inorganic analysis of contaminants or pollution in water, soil, or air. From sample collection and p...

Analytical Inorganic Standards

Features our quality standards, with product listings subdivided into the following categories: Ion Standard Solutions • ICP/DCP Standards ○ Element concentration is 10,000 µg/mL; exact value is stated on the label ○ Trace impurities are below 20 µg/mL ○ Prepared from the highest quality solvents an...

Water, Food & Environmental Analytics Catalog

Our new edition of the Water, Food & Environmental Analytics catalog is now available and is packed with essential information and state-of-the-art tools to support your water, wastewater and environmental analysis as well as in food, beverage and industrial applications. • Find information on over ...

Reporter - Supelco Chromatography newsletter

In publication since 1982, the Reporter newsletter provides information on our innovations and new products relating to HPLC, GC, Chiral Chromatography, Sample Preparation/Handling, and other chromatography topics. This 24-page print version is published 5 times a year, and contains full-length arti...

Certified Reference Materials from Cerilliant

• ISO GUIDE 34 • ISO/IEC 17025 • ISO 13485 • ISO 9001 • GMP/GLP EUROPE Multilingual Cerilliant Team: +44 1747 833312 USA or CANADA 800/848-7837 INTERNATIONAL 512/238-9974 For over 30 years, Cerilliant has been dedicated to providing Certified Refer...

Photometric Analysis with Spectroquant® System

Spectroquant® System: Accurate Photometric Analysis for Water, Environmental, Food and Beverage Testing Our range of Spectroquant® photometers and tests provide the accuracy, precision, and consistency required for water, food & environmental analysis. The photometric systems allow you to test clean...