Fusion toc uv persulfate analyzer

Manufactured by Teledyne

The Fusion TOC UV/persulfate analyzer is a laboratory instrument designed to measure the total organic carbon (TOC) content in water samples. It utilizes a combination of UV oxidation and persulfate oxidation techniques to convert organic carbon into carbon dioxide, which is then measured by a non-dispersive infrared (NDIR) detector. The Fusion TOC UV/persulfate analyzer provides accurate and reliable TOC analysis for a wide range of water samples.

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Lab products found in correlation

2100q portable turbidimeter, by HACH (1 mentions)

2 protocols using fusion toc uv persulfate analyzer

Biogeochemical Analysis of Water Lily Coverage

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Temperature, pH, and DO concentrations were measured in the field using a YSI Professional Plus meter (Yellow Springs Instruments, Yellow Springs OH, United States). The field meter was not working properly at two lakes (Libby Lake and Keystone Pond) so we were not able to collect reliable data for these lakes, and they were removed from the biogeochemical analysis. For additional biogeochemical analysis, water was filtered through a 0.45 micron filter. DOC was measured on a Teledyne Tekmar Fusion TOC UV/persulfate analyzer and concentrations of each of the major cations (ammonium, calcium, lithium, magnesium, potassium, and sodium) and anions (bromide, chloride, fluoride, nitrate, nitrite, phosphate, and sulfate) were measured on a Thermo Scientific Dionex Integron HPIC according to the manufacturer’s instructions. We used the R packages lme4 (Bates et al., 2015 ) and lmerTest (Kuznetsova et al., 2017 (link)) to find biogeochemical measures associated with water lily coverage, while including lake as a random effect (R Core Team, 2020 ).

DeWolf E.I., Calder W.J., Harrison J.G., Randolph G.D., Noren B.E, & Weinig C. (2022). Aquatic Macrophytes Are Associated With Variation in Biogeochemistry and Bacterial Assemblages of Mountain Lakes. Frontiers in Microbiology, 12, 777084.

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Wastewater Analysis of COVID-19 Biomarkers

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Wastewater samples were first filtered through 0.45 μm syringe filter and then measured for total dissolved organic carbon (DOC) using Fusion TOC UV/Persulfate Analyzer (Teledyne Tekmar, Mason, OH). pH and conductivity were measured with HI-98136 portable meter (Hanna Instruments, Woonsocket, RI). Turbidity was measured with 2100Q portable turbidimeter (Hach, Loveland, CO). To explore the association of water quality parameters (i.e., DOC, pH, turbidity and conductivity) with reported abundance of nucleocapsid genes, a regression analysis was conducted. A multivariable model of the log abundance of nucleocapsid genes against the water quality parameters and reported number COVID-19 patients was carried out, and the strength of association reported.

Hong P.Y., Rachmadi A.T., Mantilla-Calderon D., Alkahtani M., Bashawri Y.M., Al Qarni H., O'Reilly K.M, & Zhou J. (2021). Estimating the minimum number of SARS-CoV-2 infected cases needed to detect viral RNA in wastewater: To what extent of the outbreak can surveillance of wastewater tell us?. Environmental Research, 195, 110748.

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