Applications
toxicity testing

Toxicity Testing Product Applications

24 applications found

Toxicity testing for the environmental monitoring industry

ByIn-Situ Process based in Fort Collins, COLORADO (USA)

Respirometry system for aerobic toxicity testing

This example shows the results of respirometer tests in which three concentrations of cyanide were added to a aerobic test culture that received phenol as an organic substrate. The threshold toxic concentration of cyanide was 1 ...

ByRespirometer Systems and Applications, LLC (RSA) based in Fayetteville, ARKANSAS (USA)

Environmental toxicity testing kits for freshwater / wastewater applications

ByMicroBioTests Inc. based in Gent, BELGIUM

Environmental toxicity testing kits for rapid tests applications

ByMicroBioTests Inc. based in Gent, BELGIUM

Environmental toxicity testing kits for sediments applications

ByMicroBioTests Inc. based in Gent, BELGIUM

Respirometry system for anaerobic toxicity testing

This example shows the results of dosing an anaerobic culture with three concentrations of an industrial cleaning agent followed by respirometric measurement of methane production. The threshold toxic concentration was less than 80 mg/L of product and 600 mg/L produced a 50% decrease in methane production ...

ByRespirometer Systems and Applications, LLC (RSA) based in Fayetteville, ARKANSAS (USA)

Environmental toxicity testing kits for seawater / estuaries applications

ByMicroBioTests Inc. based in Gent, BELGIUM

Environmental toxicity testing kits for chemicals applications

ByMicroBioTests Inc. based in Gent, BELGIUM

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Research Respirometer Equipment for Toxicity Testing

Objective: Certain constituents of the test waste were know to be biodegradable but were suspected of being toxic to aerobic biological processes when present in high concentrations. The objective was then to determine how much waste could be added to an activated sludge process before toxic impacts would be ...

ByChallenge Technology based in Springdale, ARKANSAS (USA)

Environmental toxicity testing kits for soils / solid wastes applications

ByMicroBioTests Inc. based in Gent, BELGIUM

Waste water respirometry solutions for toxicity based consents

The way is now open for more widespread use of direct toxicity tests as a basis for toxicity-based consents. Samples of the industrial effluent are collected at source, for testing on the actual bacteria of the receiving activated sludge. The tests used are the Respiration Inhibition Test and the Nitrification Inhibition Test. Note that this approach mirrors that of the regulators of discharges to ...

ByStrathkelvin Instruments Limited based in North Lanarkshire, UNITED KINGDOM

vitro 3D Blood Brain Barrier for Brain Blood Barrier

Kirkstall’s Quasi Vivo® system aims to establish and optimise a human in vitro 3D Blood Brain Barrier (BBB) in an effort to identify important mechanistic pathways for successful biomarker analysis, drug delivery and toxicity ...

ByKirkstall Ltd. based in York, UNITED KINGDOM

Oxygen monitoring from aerobic and anaerobic for toxicity test

Toxicity of pure chemicals is assessed using respirometers by adding increasing concentrations to an active culture. The concentration at which oxygen uptake or gas production begins to decrease is known as the “threshold toxicant ...

ByRespirometer Systems and Applications, LLC (RSA) based in Fayetteville, ARKANSAS (USA)

Waste water respirometry solutions for toxicity reduction tests

An alternative approach is to undertake toxicity reduction procedures, such as neutralisation or acid hydrolysis, in pilot-scale laboratory studies. The Respiration or the Nitrification Inhibition Test may be used for this. In the future, toxicity reduction may be stipulated by local authority, water company or publicly-owned treatment works prior to giving discharge consents. Toxicity reduction may be evaluated using toxicity ...

ByStrathkelvin Instruments Limited based in North Lanarkshire, UNITED KINGDOM

Waste water respirometry solutions for toxicity testing

If industrial wastewater entering a treatment works contains toxic components the rate of biodegradation will be inhibited or stop completely. This can result in failed consents and will certainly give rise to operational problems. Visible indications include deflocculation, bulking and the appearance of filamentous bacteria. Sometimes, there are no visible effects. When the sludge bacteria are inhibited, there is the possibility of toxicity carryover in the effluent that is discharged to receiving waters. With ...

ByStrathkelvin Instruments Limited based in North Lanarkshire, UNITED KINGDOM

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Research Respirometer Equipment for Pesticide Degradation

Measurement of oxygen uptake of the pesticides: carbaryl, carbofuran and aldicarb in samples seeded with microorganisms extracted from ...

ByChallenge Technology based in Springdale, ARKANSAS (USA)

ASTM D5580 Standard Test Method for Determination of Benzene, Toluene, Ethylbenzene, p/m-xylene, o-xylene, C9 and Heavier Aromatics, and Total Aromatics in Finished Gasoline by Gas Chromatography (GC).

Aromatics and ethers are added to gasoline to reduce carbon monoxide emissions and increase octane number. However, aromatics are toxic for health and environment. Test methods to determine benzene and the aromatic content of gasoline are necessary to ...

BySCION Instruments BV - Techcomp Group based in GP Goes, NETHERLANDS

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Research Respirometer Equipment for Resting the Toxicity of a Cleaning Agent

METHOD: A seed culture from a full-scale anaerobic digester was placed in a number of 200 mL respirometer vessels. A synthetic wastewater having a 20,000 mg COD/L in a nutrient/ mineral/buffer solution was fed daily to each reaction vessel — along with various amounts of the cleaning agent The reactors were operated for a four day test period with measurement of gas production using a CHALLENGE ANR-200 anaerobic ...

ByChallenge Technology based in Springdale, ARKANSAS (USA)

Analytical services for mining industry

Maxxam provides the mining industry with comprehensive analytical testing services including water, soil and air quality parameters. Analytical testing ranges from metal leaching and acid rock drainage, to Ecotoxicology services and environmental chemistry. We are accredited for specific analytical tests related to mining test regulations and requirements. Along with being accredited for tests such as environmental chemistry and acid mine drainage, below is an excerpt of the laboratory’s current scope of ...

ByBureau Veritas North America, Inc. based in New York, NEW YORK (USA)

Membrane Water Treatment and Monitoring Products for Drinking Water

Modern Water offers technologies that detect pesticides in source water. Drinking water protection and water quality are critical to human health. Utilising rapid screening technologies can provide quick and reliable results for assurance while saving costs over the traditional laboratory ...

ByModern Water based in Sand Hutton, UNITED KINGDOM

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