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sales@lar.com +49 30 2789580 login english deutsch 中文 français русский toggle navigation home about lar philosophy & history domestic sales international sales projects career products toc-analysis cod-analysis bod / toxicity tnb / tp-analysis further products industries chemical refining power generation pharmaceutical pulp and paper manufacturing food and beverage airports agribusiness applications pure water process water waste water technical support technical training news / events news publications newsletter home about lar about lar philosophy & history domestic sales international sales projects career products products toc-analysis cod-analysis bod / toxicity tnb / tp-analysis further products industries industries chemical refining power generation pharmaceutical pulp and paper manufacturing food and beverage airports agribusiness applications applications pure water process water waste water technical support technical support technical training news / events news / events news publications newsletter previous next leading expert in water quality online analysis in more than 30 years lar process analysers ag has established itself as world's leading manufacturer of high quality online water analyzers. the measurement systems are for the determination of sum parameters such as toc, tp, tnb, tod, cod, bod and toxicity. lar’s application-specific analyzers are used for the optimization of industrial and municipal waste water treatment plants, for environmental monitoring, as well as for process control in various industries. read more industries & applications industries based on their high precision, reliability and speed, lar’s analyzers are used in various industries, e.g. petrochemical, pulp and paper, pharma, food/beverage and airports. learn more applications from complex industrial waste water to pharmaceutical pure water, lar offers the proper solution for any water analysis challenge (e.g. process water, boiler feed water, oil-in-water). learn more products lar develops tailor-made analyzers that are versatile in meeting the demands of different applications and industries. please find the right analyzer for your specific needs. explore our analyzers toc-analysis cod-analysis bod / toxicity tn- / tp-analysis the total organic carbon (toc) is one of the most important sum parameters in the assessment of the organic pollution of water. since it includes all carbon compounds as one mass, it is exactly defined and an absolute quantity. therefore, it may be determined directly. read more about toc measurement methods . the chemical oxygen demand (cod) indicates the amount of oxygen which is needed for the oxidation of all organic substances in water and is thus an important indicator for water analysis. it is considered in the planning and controlling of treatment, as well as assessing its efficiency, thus forming the basis for the calculation of waste water charges. the cod can be determined in laboratory or online , whereby these methods significantly differ in duration and consumables used. read more about cod measurement methods . the biochemical oxygen demand (bod) indicates the amount of oxygen which is needed for the biological degradation of organic substances in water. since the generally used bod 5 excludes the nitrification part of the process, this parameter is poorly suited for the control of waste water treatment plants. alternatively, the total bod is well-suited, due to the determination of the nitrogen as well as the carbonaceous part of biological degradation. read more about the online measurement of bod . toxicity is described as the direct harmful effect of a substance on organisms. these effects can already occur at low concentraions of toxic substances and are dependent on the incubation period and the dosage. some test methods that are available on the market can detect toxicity by using fish, daphnia, molluscs, algae or luminous bacteria and testing whether a water sample has a toxic effect on the organisms. they do not, however, identify exactly which toxins are present. read more about online toxicity measurements . the total nitrogen bound (tn b ) shows the pollution of water caused by nitrogen compounds. nitrogen may be present as ammonia, ammonium salts, nitrites, nitrates and organic nitrogen compounds. in contrast to single measurements of the above-mentioned components, the tn b determination contains all these substances in a single analysis process. read more about online tn b measurements . the total phosphorus (tp) is a sum parameter that shows the organic and inorganic phosphorus compounds in water. phosphorus is an essential nutrient for humans as well as flora and fauna. however, the substance – depending on its concentration– may cause serious damage. read more about online tp measurements . online toc analyzer lar's toc analyzer quicktocultra is the most reliable measurement system for the roughest waste water applications. due to an unrivaled injection and oxidation technique, the quicktocultra easily handles sticky, fatty, salty, and high-particle samples unlike other toc analyzers. the combustion leader in toc analysis provides maximum reliability and availability, hence also profitability for its operators. see details cod analyzer for laboratories the quickcodlab laboratory analyzer is the master plan for fast and clean cod measurements. unlike traditional cod analysis methods, the quickcodlab oxidizes the water sample without the need of any hazardous chemicals. due to the patented high-temperature combustion method, the measurement results are free of chloride inteferences. less chemicals. simple operation. save money. see details toc analyzer for pure water applications lar's toc analyzer quicktoc purity is the most reliable measurement system for pure and ultra pure water applications. due to a special injection loop, the sample is fully protected against contaminations from ambient air. hence, the quicktoc purity reliably detects the toc level of pure water. the combustion leader in toc analysis provides maximum reliability and availability, hence also profitability for its operators. see details toc analyzer for pure water applications lar's toc analyzer quicktoctrace is a reliable analyzer for the lowest measuring ranges, which uses uv oxidation and differential conductivity measurement to determine organic contamination, making it ideal for toc measurement of (ultra-)pure water. it is a compact and intuitive analyzer with a short reaction time - first results are available within 30 seconds. see details toxicity analyzer for waste water treatment plants lar's toxicity analyzer nitritox continually monitors water for toxic pollutants. potential toxins in water are determined through the reaction of highly sensitive bacteria. the measurements follow at intervals of less than 5 minutes. thus, operators can easily introduce countermeasures to protect their treatment plant and processes. see details previous next news process insights invests in lar process analysers ag lar process analysers ag , germany, further strengthens its global orientation and its position as a specialist in the toc market. more... lar @ achema 2018 new innovations in cod and toc analysis more... toc analysers for iecex and atex zones total organic carbon analysers are commonly used to measure the level of organic contamination in water. online toc analysers installed in refineries and petrochemical plants are located right in the middle of the process facilities. more... terms and conditions conditions of purchase data protection imprint quality management social contact +49 30 2789580 sales@lar.com lar process analysers ag neuköllnische allee 134 12057 berlin germany copyright © lar process analysers ag. all rights reserved.
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