Publication

Study of perfomance reference compounds for the estimation of levels of emerging polar contaminants in water

Luiz Felippe De Alencastro
2014
Posters

Abstract

The determination of polar organic contaminants (pesticides, pharmaceuticals and inhibitors of corrosion) in river water was carried out using POCIS as a passive sampling technique and UPLC-MS/MS as a determination technique. Several compounds with properties similar to studied pollutants were evaluated as potential PRCs. Only DIA-d5 and 5-Methylbenzotriazol-d3 (5-TT-d3) were linearly released from HLB sorbent. As far as we know, 5-TT-d3 was used as PRC for the first time in POCIS. Both compounds could correct the effect of water velocity in the estimation of Cw. To confirm the suitable correction of Rs by proposed PRCs, further researches are needed under different environmental conditions.

Official source

https://infoscience.epfl.ch/entities/publication/683199db-03ed-4b43-8d59-e8ef7906af4b

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Luiz Felippe De Alencastro
2014
Posters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/683199db-03ed-4b43-8d59-e8ef7906af4b

About this result

Related concepts (28)

Cross-Strait relations

The Cross-Strait relations (sometimes called Mainland–Taiwan relations, or TaiwanChina relations) are the relations between China (officially the People's Republic of China, PRC) and Taiwan (officially the Republic of China, ROC). The relationship has been complex and controversial due to the dispute on the political status of Taiwan after the administration of Taiwan was transferred from Japan to the Republic of China at the end of World War II in 1945, and the subsequent split between the PRC and ROC as a result of the Chinese Civil War.

Water scarcity

Water scarcity (closely related to water stress or water crisis) is the lack of fresh water resources to meet the standard water demand. There are two types of water scarcity namely physical and economic water scarcity. Physical water scarcity is where there is not enough water to meet all demands, including that needed for ecosystems to function. Arid areas for example Central and West Asia, and North Africa often experience physical water scarcity.

Water resources

Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. 97% of the water on Earth is salt water and only three percent is fresh water; slightly over two-thirds of this is frozen in glaciers and polar ice caps. The remaining unfrozen freshwater is found mainly as groundwater, with only a small fraction present above ground or in the air. Natural sources of fresh water include surface water, under river flow, groundwater and frozen water.

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Study of perfomance reference compounds for the estimation of levels of emerging polar contaminants in water

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