Articles and Case Studies from MilliporeSigma

A comparison of two solid phase extraction methods for the analysis of Polyaromatic Hydrocarbons in butter

Background Polyaromatic hydrocarbons (PAHs) are ubiquitous in the environment, resulting from both natural and manmade sources of combustion. Farm animals, such as cows, can become exposed to them through both consumption of contaminated feed and ...

Nov. 30, 2015 Katherine Stenerson

Analysis of Isocyanates using the ASSET EZ4-NCO Dry Sampler

Introduction Isocyanates are used as a raw material to produce a number of products such as automotive paints, rigid and spray foam insulation, and furniture. Personal exposure can occur while the products made with isocyanates are being applied, ...

Oct. 26, 2015 Jamie Brown;Emily Barrey;Olga Shimelis;Kristen Schultz

SPE Cleanup of Wheat Extracts Prior to the HPLC Analysis of the Mycotoxin Deoxynivalenol

Deoxynivalenol (DON) is a mycotoxin produced by the Fusarium fungal species graminearum and culmorum. These Fusariumfungi infect cereal crops primarily in wet conditions when temperatures range from 15–30 ...

Oct. 26, 2015 Ken G. Espenschied;Jennifer Claus

Better tools for fast and convenient Patulin analysis

Analytical Standards and New SupelMIP SPE Cartridges The mycotoxin patulin is often found in rotten apples. It is mostly produced by Aspergillus, Penicillium and Byssochlamys and shows a variety of short-term and long-term effects in animal ...

Oct. 26, 2015

Analysis of Polychlorinated Biphenyls in Fish Oil Using Supelclean EZ-POP NP, Silica Gel SPE, and an SLB-5ms GC Column

Polychlorinated biphenyls (PCBs) were once widely used in many industrial and commercial applications such as insulating fluids, dielectrics, and lubricants. This included their extensive use in electrical transformers. PCB use has been banned in ...

Sep. 4, 2015 Kathy Stenerson;Caitlin Brown

Improved recoveries and lower background for the analysis of PAHs in Olive Oil

Using Supelclean EZ-POP NP and an SLB-5ms GC Column A recent survey implemented by Supelco revealed that 58% of analytical chemists in the food industry find the analysis of compounds in fatty matrices to be highly problematic. Lipid interferences ...

Sep. 12, 2014

News on Food 2013, Volume 2: Simplify Sample Prep, and Increase Speed and Sensitivity

Analytical testing is used 1) to determine nutritional value and quality and 2) to ensure food safety and security. We have developed and continue to develop, specialized products that allow food analysts to simplify sample prep, and increase speed ...

Feb. 13, 2014 Sigma-Aldrich

News on Food 2013, Volume 1: Food Safety and Food Chemistry of Fat Matrices

Analytical testing is used in the production of worldwide food supply from raw materials and ingredients, to finished and packaged goods. This testing primarily serves two purposes: to determine nutritional value and quality, and to guarantee ...

Feb. 13, 2014 Sigma-Aldrich

News on Air 2014, Volume 1: Thermal Desorption - Selecting Your Adsorbent Tube

Thermal Desorption - which tube and which adsorbent do I need? Supelco produces a comprehensive selection of adsorbent tubes. Selection of the proper adsorbent(s) is critical to achieving the best results for a thermal desorption application. An ...

Feb. 13, 2014 Sigma-Aldrich

News on Air 2013: Special Edition for Petrochemical Industry

This volume features Air Monitoring products that are used the petrochemical industry to ensure worker and community safety. Supelco's air monitoring products are useful for sampling of indoor (workplace) air and ambient air for a wide ...

Feb. 13, 2014 Sigma-Aldrich

News on Air 2013, Volume 3: Products for Analysis and Quantification

Welcome to the third volume of our News On Air bulletin. This edition focuses on the often overlooked and neglected, but one of the most crucial steps in the analytical workflow: selecting the correct reagents and analytical reference materials for ...

Feb. 13, 2014 Sigma-Aldrich

News on Air 2013, Volume 2: Products for Separation

Supelco® has developed the most extensive line of special purpose columns designed for industry specific applications; including environmental and industrial hygiene. These columns are manufactured to deliver high resolution, great analyte ...

Feb. 13, 2014 Sigma-Aldrich

News on Air 2013, Volume 1: Products for Sampling

For decades, Sigma-Aldrich has been a key supplier of innovative & high technology air monitoring products for various areas of gas/air sampling. Enclosed, you will find an overview on new and interesting devices to improve or simplify your air ...

Feb. 13, 2014 Sigma-Aldrich

News on Air 2013, Volume 4: Labware and Reagents

Welcome to volume 4 of our News on Air bulletin. This edition focusses on some of the labware and reagents that are used in this challenging area of analysis. Success in air monitoring quantitation requires that all the equipment and reagents used ...

Feb. 13, 2014 Sigma-Aldrich

MilliporeSigma Articles

A comparison of two solid phase extraction methods for the analysis of Polyaromatic Hydrocarbons in butter

Analysis of Isocyanates using the ASSET EZ4-NCO Dry Sampler

SPE Cleanup of Wheat Extracts Prior to the HPLC Analysis of the Mycotoxin Deoxynivalenol

Better tools for fast and convenient Patulin analysis

Analysis of Polychlorinated Biphenyls in Fish Oil Using Supelclean EZ-POP NP, Silica Gel SPE, and an SLB-5ms GC Column

Improved recoveries and lower background for the analysis of PAHs in Olive Oil

News on Food 2013, Volume 2: Simplify Sample Prep, and Increase Speed and Sensitivity

News on Food 2013, Volume 1: Food Safety and Food Chemistry of Fat Matrices

News on Air 2014, Volume 1: Thermal Desorption - Selecting Your Adsorbent Tube

News on Air 2013: Special Edition for Petrochemical Industry

News on Air 2013, Volume 3: Products for Analysis and Quantification

News on Air 2013, Volume 2: Products for Separation

News on Air 2013, Volume 1: Products for Sampling

News on Air 2013, Volume 4: Labware and Reagents

Sampling of Carbonyls Using a Dual-Layer LpDNPH Glass Sampling Tube and HPLC Analysis

Extraction & Analysis of PAHs in Olive Oil Using SupelMIP SPE – PAHs and GC-MS

Detection of Low Level of Chloramphenicol in Milk and Honey with MIP SPE and LC-MS-MS

SupelMIP SPE for Sample Cleanup and Analysis of Food and Environmental Contaminants

GC Determination of Benzene in Reformulated Gasoline using a Supelco SLB-IL111 Ionic Liquid Column

Analysis of US EPA Method 8270D Semivolatiles Using a 30 m x 0.25 mm I.D., 0.50 μm SLB-5ms