water testing Articles
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Project - Clear water test
Standard clear water test ac.EN12255-15 34 AIRMAX 45kw with efficiency higher than 2 kgO2/kwh electric ...
By KAMPS s.a.
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Lab plus international interviews ITS president
The US-based company Industrial Test Systems (ITS) is a relatively young start-up company but is already making a big name for itself in the field of sensitive yet simple-to-use kits for water testing. The dynamism of the company can be seen from their constant challenging of the status quo to see if new and improved methods of water testing are possible. The most recent example of this is the ...
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Apartment Water Test - Case Study
We had successfully mitigated this exact situation at another property (Family Tree Apartments] which also had extensive pin hole leaks and water heater failures. Based upon this prior exceptional success, it was clear that the H20 Solutions USA, LLC team was again needed to engineer a solution. H20 Solutions USA, LLC is analysis revealed that the water supply in Greenfield, CAis very hard at 18 ...
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Water testing 101: TDS
According to Wikipedia, total dissolved solids (TDS) is defined as “the combined content of all inorganic and organic substances contained in a liquid that are present in a molecular, ionized or microgranular suspended form.” The article goes on to state that “total dissolved solids are differentiated from total suspended solids (TSS) in that the latter cannot pass through a ...
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Oil in frac water testing
The amount of water used in and produced by hydraulic fracturing of shale gas wells is in the millions of gallons per well. Whether the water is going to be taken off site for disposal or reused for re-injection, the flowback or produced water needs pretreatment to remove any residual oil from the wa-ter. Waiting for remote laboratory results can take several days to a week. The InfraCal TOG/TPH ...
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HIFU Transducer Characterization Using a Robust Needle Hydrophone
Abstract. A robust needle hydrophone has been developed for HIFU transducer characterization and reported on earlier [1]. After a brief review of the hydrophone design and performance, we demonstrate its use to characterize a 1.5 MHz, 10 cm diameter, F-number 1.5 spherically focused source driven to exceed an intensity of 1400 W/cm at its focus. Quantitative characterization of this source at ...
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DelAgua Case Study - GVC in Lebanon
GVC are a non-governmental, secular and independent organisation, founded in 1971. They are active all over the world carrying out development aid projects. The flow of refugees to Lebanon has increased the population by 25% and, as a consequence, the demand for water. GVC is helping to ensure a reliable and sustainable supply of water services to the Syrian refugees as well as the hosting ...
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Biological Water Testing
Improving Water Monitoring for Pathogens and other Microorganisms Water quality and purity is essential for public and environmental health but monitoring drinking water and wastewater for microbial orgamisms can be difficult and time consuming. In this article we want to highlight the Real-time PCR-based detection methods for some major pathogens and microorganisms that increases analysis ...
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A Novel Device for Total Acoustic Output Measurement of High Power Transducers
Abstract A robust needle hydrophone has been developed for HIFU transducer characterization and reported on earlier [1]. After a brief review of the hydrophone design and performance, we demonstrate its use to characterize a 1.5 MHz, 10 cm diameter, F-number 1.5 spherically focused source driven to exceed an intensity of 1400 W/cm at its focus. Quantitative characterization of this source at high ...
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How the AP-5000 helped the BBC Countryfile team conduct important tests along the River Lynher
Here at Aquaread, we pride ourselves on our ability to provide water testing equipment for projects all over the world. We love hearing about how our products have helped our customers conduct important water tests to better monitor and improve our planet’s waters – no matter how big or small. One such project occurred last month when we were approached by the team behind the ...
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Evaluation of Allowable Pressure Under Foundations
To understand the surcharge effect on test-loading results, water-saturated loessial soils were tested by bearing plates of different sizes in open pits and boring holes. All pit bottoms were accurately prepared for experiments. The surcharge around the bearing plate with an area of 600 cm2 was simulated by special equipment. Results of field experiments showed that the proportionality limit for ...
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Imaging of high-intensity focused ultrasound-induced lesions in soft biological tissue using thermoacoustic tomography
Abstract A robust needle hydrophone has been developed for HIFU transducer characterization and reported on earlier [1]. After a brief review of the hydrophone design and performance, we demonstrate its use to characterize a 1.5 MHz, 10 cm diameter, F-number 1.5 spherically focused source driven to exceed an intensity of 1400 W/cm at its focus. Quantitative characterization of this source at ...
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Determination of biodegradation rates for surfactants and a fatty alcohol in aerobic sediment using a simplified test system
The development of specific regulatory persistence criteria and a growing need to conduct risk assessments in sediment has increased the need to better understand fate in this compartment. A simplified test approach was developed to assess the fate of chemicals in aerobic sediments and was used to evaluate the biodegradation of 14C‐labeled representative analogs of alcohol sulfate (AS), ...
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Preparation of Large-Size Laboratory Deposits of Cohesive Soil
High-quality, large-size cohesive soil deposits can be prepared in the laboratory using the slurry method, which has many advantages for research and calibration purposes. The requirements for such deposits are discussed, and details are presented of the apparatus used successfully to prepare deposits of Cornell clay. Fifteen medium-size deposits (0.6 m diameter by 1.2 m deep) and one large-size ...
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DelAgua Case Study - Harikar NGO and CARE in Northern Iraq
Harikar NGO are working with CARE to provide water quality testing in camps for IDPs (Internationally Displaced People), in Northern Iraq. CARE have carried out a 2-day training course with Harikar field staff on the DelAgua Kit so they are able to carry out weekly bacteriological testing. Harikar have previously been carrying out Free Residual Chlorine testing inside the camps to check if it is ...
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Cytiva - Membrane filtration for water quality testing
Microbial quality of a product has the potential for immediate impact to the consumer. A reliable and versatile water testing method is a necessity to determine the safety for human contact, use, and consumption, and detect the presence of organisms that cause spoilage and reduced shelf life. Often the challenge in water quality testing involves concentrating enough of the target organism to ...
By Cytiva
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Influences on the water testing behaviors of private well owners
Many private wells in the United States and Canada already are contaminated, or are at risk of contamination. Regular testing for pathogenic bacteria is one of the most concrete measures well owners can use to determine whether or not their drinking water quality is safe. This study explored the factors and causal relationships that influence well owner water quality testing behavior. In-depth, ...
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Water Leak Test in Dubai - Case Study
City/Country: Dubai / United Arab Emirates Contractor: Jamal Al Sherouq Tech. Cont. Date: April 2021 Service: Training & Supervision service for 1200mm Dia. for water leakage test. PlugCo’s Engineer arrived at the project site in Dubai on April 6th to make water leakage test and train technicians for the ongoing pipe project. IMPLEMENTATION: Their application is to make water leakage ...
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Refinery Sour Water
The refinery needed to meet the discharge requirements to the local sanitary sewer for the 2,000,000 gallons that was stored. The water is high in sulfides (up to 4,000 ppm) and the limit for discharge was 0.1 ppm. The best and least complicated and costly method uses the Floccin 1105 followed by post ozonation. The results of the finished water are being tested at an EPA certified analytical ...
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