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Applications:Waste water and process water​ testing
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Showing 1-14 of 14 results
Calculating Your Working Tolerance: A Guideline
Guideline to calculate your working tolerance - Certified Standard Solutions (CRM)
New Revised ISO 17995 Water Quality
This second edition of ISO 17995 has been technically revised by the Technical Committee ISO/TC 147, Water quality, Subcommittee SC 4, Microbiological methods, and cancels and replaces the first edition (ISO 17995:2005).
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.
Food for thought: EN ISO 11133:2014
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.
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...
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.
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.
An Easier, Faster, and Cost-Effective Option for Measuring Total Nitrogen
This total nitrogen test kit is faster, safer, more accurate and costs less than the traditional method. The Total Nitrogen Analysis test kit was developed to provide users with a single test method for determining total nitrogen levels in process...
Pseudomonas Media and Tests
An article concerning the detection, identification, differentiation, and cultivation of Pseudomonas species.
Mesoporous Silica and their Applications
Mesoporous Silica and their Applications
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...
Ultrapure Water for Determination of Toxic Elements in Environmental Analyses
In this paper, the importance of reagent water quality for toxic element environmental analyses is discussed.
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
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...