9 Articles found
Merck KGaA, Darmstadt, Germany Articles
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Improved Determination of Volatile Organic Compounds in Water by SPME and GC/MS: ISO Standard 17943
The analysis of water for volatile organic compounds is important due to their toxicity.The current methods for this determination lack of sensitivity, selectivity or capability for automation. This paper presents the new ISO 17943 Standard using ...
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Merck KGaA, Darmstadt, Germany News on Water 2018, Volume 1
This volume of News on Water highlights: New ISO Standard 17943 for Determination of VOCs in Water by HS-SPME and GC-MS Extraction of Organic Compounds from Water, Using ENVITM-18 DSK Solid Phase Extraction Disks Watercol ...
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Sensitive Determination of Iron in Drinking Water, Mineral Water, Groundwater, and Spring Water Using Rapid Photometric Tests
originally published in Supelco®'s Analytix Reporter Journal Issue 2 2018 by Merck KGaA, Darmstadt, Germany Visit SigmaAldrich.com/ar-reg The quality of drinking water is regulated by a variety of guidelines, such as the EU Council Directive ...
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Water Determination in Liquefied Petroleum Gas using GC BID and Ionic Liquid Column Watercolâ„¢
originally published in Supelco®'s Analytix Reporter Journal Issue 2 2018 by Merck KGaA, Darmstadt, Germany Visit SigmaAldrich.com/ar-reg Water in petrochemical feedstocks can cause problems for processors. Freezing of pipe lines and valves ...
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Ultrapure Water for Determination of Toxic Elements in Environmental Analyses
Abstract In this paper the importance of reagent water quality for toxic element environmental analyses is discussed, and the suitability of fresh ultrapure water produced using Merck water purification systems for ICP-OES and ICP-MS trace element ...
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Water quality testing: solutions from catchment to waste
Globally, over 80% of the wastewater generated by society flows back into the environment without being treated or reused.1Clean water is an essential part of daily life, from catchment all the way through to wastewater treatment, therefore analysis ...
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Achieve Exceptional Resolution of PAHs, Including Several Isomer Sets Using SLB®-ILPAH Capillary GC Columns
originally published in Supelco®'s Analytix Reporter Journal Issue 1 2018 by Merck KGaA, Darmstadt, Germany Visit SigmaAldrich.com/ar-reg Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous in the environment. They belong to a group known ...
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Improved Determination of Volatile Organic Compounds in Water by SPME and GC/MS: ISO Standard 17943
The analysis of water for volatile organic compounds is important due to their toxicity. The current methods for this determination lack of sensitivity, selectivity or capability for automation. This paper presents the new ISO 17943 Standard using ...
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Phosphate in Groundwater and Surface Water. A Rapid and Reliable Determination Method using the Photometric Spectroquant® Test
originally published in Supelco®'s Analytix Reporter Journal Issue 2 2018 by Merck KGaA, Darmstadt, Germany Visit SigmaAldrich.com/ar-reg Phosphorus is an essential element for organisms and plants.1 In natural, uncontaminated waters, it ...