The new EN ISO 11133:2014 quality-assured culture media for food and water testing to enhance consumer safety. The ultimate aim of the new standard is to further improve the safety of the food and beverage products we consume.

EN ISO 11133:2014 Quality-assured Culture Media for Food and Water Testing to Enhance Consumer Safety

EN ISO 11133:2014 - Mandatory standard for media preparation, production, storage and performance testing. In May 2014, the International Organization for Standardization (ISO) published the revised EN ISO 11133, which is now a full standard and as such, mandatory for

Ion Chromatography & Cation Suppression Straightforward Cation Analysis at Trace Levels

Ammonium determination in acidic solutions with Metrosep C Supp 2 column using the acidic binary IC eluent nitric acid/rubidium nitrate concentrate and the sodium bicarbonate/sodium carbonate suppressor regenerant.

Efficient PAH Analysis (EU 15+1) using an Ascentis® Express PAH HPLC Column

This application note describes the fast and efficient separation of the EU’s list of 15 + 1 polynuclear aromatic hydrocarbons (PAHs) using Ascentis® Express PAH HPLC column.

Drinking Water Testing by Ion Chromatography using Ultrapure Water

This study reviews the suitability of ultrapure water for the IC analysis of drinking water. Inorganic ions and disinfectant by-products (DBPs) were assessed.

Revised ISO 17995 Water Quality

This second edition of ISO 17995 has been revised by the Technical Committee ISO/TC 147, Water quality, Subcommittee SC 4, Microbiological methods, and replaces the first edition (ISO 17995:2005).

Safe Drinking Water Act & Clean Water Act – What is it?

The Safe Drinking Water Act reflects the primary drinking water regulation. Drinking water here means finished drinking water from the plant and the distribution lines. But the Safe Drinking Water Act covers also the ground water sources for raw water

LC-MS Analysis of PFAS Compounds in EPA Method 533 using Supelclean™ ENVI-WAX™ SPE

Learn how method EPA 533 is used for sample collection and preparation, featuring Supelclean™ ENVI-WAX™ SPE cartridges for LC-MS analysis on an Ascentis® Express PFAS HPLC Column.

Testing Drinking Water - An Overview of National & International Regulations

An overview of USEPA, EU regulations, and various testing methods to ensure drinking water safety.

Pseudomonas Media and Tests

An article concerning the detection, identification, differentiation, and cultivation of Pseudomonas species.

Fast and High-Resolution LC-MS Separation of PFAS

Liquid Chromatography–Mass Spectrometry (LC-MS) separation of 33 PFAS (Per- and poly-fluoroalkyl substances) using a superficially porous silica particles (SPP) based Ascentis® Express C18 column.

Membrane Filters for Microplastics Analysis

An overview of microplastics, testing regulations, and filter selection for microplastic sample collection, preparation, and analysis.

LC-MS Analysis of Hormones in Tap Water

Milli-Q® ultrapure water systems deliver water free of organic contaminants , including hormones present in a lab's tap water, making it suitable for the most sensitive LC-MS/MS analyses.

EN ISO 11133 and Water for the Preparation and Performance Testing of Microbiological Culture Media

See how two water sources compare when preparing and performance testing microbiological culture media acc. to EN ISO 11133: centrally purified water vs. water from a Milli-Q® IX system were assessed. Tests included media specific for Listeria and Salmonella pathogens.

LC-MS Analysis of PFAS Compounds in EPA Methods 537.1, 533 and 8327

LC-MS method-based separation and determination of 32 short-chain and long-chain PFAS (Per- and poly-fluoroalkyl substances) compounds from drinking water following 3 EPA methods Method 533, 537, and 537.1. EPA 8327

Calculating Your Working Tolerance: A Guideline

Guideline to calculate your working tolerance - Certified Standard Solutions (CRM)

Ultrapure Water for Perchlorate Analysis of Environmental Samples

Assure perchlorate-free water from tap water for sensitive IC analyses. See the removal efficiencies achieved by water purification technologies in Milli-Q® systems.

Ultrapure Water to Assess Toxic Elements in Environmental Analyses

See the data showing how Milli-Q® ultrapure water meets the stringent purity requirements for reliable trace element analyses of environmental samples.

Analytical Method: Urea in Water and Wastewater, Enzymatic Determination

Urea in water and wastewater, enzymatic determination - Photometric determination using the indophenol blue method after cleavage of the urea

Salmonella Contamination and Rapid Detection Methods

Salmonella pass through the entire food chain from animal feed, primary production, and into households or food-service establishments.

Differentiation of Escherichia coli from coliforms

There are many other methods of detection to indicate the presence of E. coli. Review common tests and biochemical reactions for this contaminant.

Screening for Estrogen Active Nonylphenols in Water by Planar Solid Phase Extraction – Planar Yeast Estrogen Screen

Nonylphenols (NP) are ubiquitous substances that have been detected in highly diverse foodstuff. As breakdown products of nonylphenol ethoxylates, NP could end up in the aquatic environment. This article presents a rapid method for NP detection in surface water

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Drinking water testing​

Drinking water testing