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Showing 1-26 of 26 results
Control of Microthrix Parvicella in the Waste Water Treatment with the HybriScan® Test System
The HybriScan test system for wastewater analysis is based on the detection of microorganism-specific target molecules with a special catcher and detection probe, resulting in a sandwich hybridisation. HybriScan Waste Water determines both the Microthrix parvicella and the total bacterial
Pseudomonas Media and Tests
An article concerning the detection, identification, differentiation, and cultivation of Pseudomonas species.
Calculating Your Working Tolerance: A Guideline
Guideline to calculate your working tolerance - Certified Standard Solutions (CRM)
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.
Analysis of PFAS Extractables in Filtration Products Using Modified EPA 537.1
View data on fluorinated extractables, recovery, and recommended filtration products for PFAS testing using Modified EPA 537.1.
Nitrate Detection in Wastewater
Reflectometric determination of nitrate in wastewater using Griess reagent and Reflectoquant® test strips.
Total Nitrogen Measurement Solution
Total Nitrogen Analysis kit offers a fast, accurate, and cost-effective method for water and wastewater testing.
Safe Drinking Water Act & Clean Water Act
The Safe Drinking Water Act regulates finished drinking water, raw water sources, and distribution to ensure water safety.
ISO 11133:2014 Quality Culture Media for Food and Water Testing
EN ISO 11133:2014 standard mandatory for microbiological testing labs, ensuring quality in media preparation and testing.
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.
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.
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.
Photometric determination of Nitrate in Effluents
A step-by-step procedure for the photometric determination of Nitrate in effluents using Spectroquant® test kits and photometer for a precise and quantitative analysis.
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
Measuring Chemical Oxygen Demand in Water Treatment Facilities
We are a global leader in the life science industry and have produced test kits to measure numerous analytes. Water Online spoke with us about advances in measuring chemical oxygen demand.
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
Membrane Filters for Microplastics Analysis
An overview of microplastics, testing regulations, and filter selection for microplastic sample collection, preparation, and analysis.
PFAS Testing Methods and Guidance for Sample Filtration
Validation of Millex® PES syringe filters in PFAS testing of water samples using EPA method 537.1.
Analysis of PFAS Extractables in Filtration Products Using Modified EPA 1633
Data and recommended filtration products for PFAS testing using Modified EPA 1633.
LC-MS Analysis of PFAS Compounds
LC-MS method separates 32 PFAS compounds in drinking water following EPA methods 533, 537, and 537.1. EPA 8327.
Mesoporous Silica Applications
Mesoporous silica used in wastewater remediation, air cleaning, catalysis, bio-catalysis, and drug delivery.
Water for Kjeldahl Analysis
Learn how water impurities can impact the Kjeldahl nitrogen method. Get recommendations for accurate Kjeldahl analysis and total Kjeldahl nitrogen (TKN) tests. Select the optimal water purification system.
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.
Water for BOD & COD Oxygen Demand Testing
Learn about the importance of lab water quality on Chemical Oxygen Demand (COD) and Biochemical (or Biological) Oxygen Demand (BOD) testing in water and wastewater analysis. Find in-depth guidance to establish the optimal lab water solution for your environmental and
EN ISO 11133:2014 Standards
EN ISO 11133:2014 ensures quality-assured culture media for food and water testing, enhancing consumer safety.
Ammonium in Wastewater
Step-by-step accurate reflectometric determination of ammonium in wastewater with Nessler’s reagent or Indophenol blue using Reflectroquant®system and test strips.