Abstract: A sample analysis appliance for the analysis of a sample solution, in particular of contaminated water or of waste water, with a reaction vessel for the thermal digestion of a portioned sample of the sample solution to be analyzed. The reaction vessel has an injection port for the introduction of the sample into the reaction vessel, at least one sample solution storage vessel for the device-internal storage of sample solution, and an injection syringe device which is movable between the sample solution storage vessel and the reaction vessel and which can be controlled to collect the sample from the sample solution storage vessel and introduce the sample into the injection port of the reaction vessel.

Abstract: Measurement arrangement for determining a constituent substance or quality parameter of water by thermal decomposition in a reaction module, delivery of a reaction product to a detector, and evaluation of a detector signal for deriving a value of the constituent substance or quality parameter, wherein the reaction module is an elongated vessel having internal heating, and has a head section into which the sample is introduced, a reaction zone, as well as a foot section, from which the reaction product is output, wherein the reaction module, the heating, and means for the supply of samples and carrier gas are configured such that during the operation of the measurement arrangement an outer head temperature is TH?80° C., and an outer foot temperature is TF?150° C. at a maximum temperature in the reaction zone of TMAX?1150° C.

Abstract: Measurement arrangement for determining a constituent substance or quality parameter of water by thermal decomposition in a reaction module, delivery of the reaction product to a detector in a carrier gas flow, and evaluation of a detector signal for deriving a value of the constituent substance or quality parameter, wherein the reaction module is a vessel of vertical orientation during operation having an internal resistance heating or infrared heating, and has a head section into which the sample is introduced, a reaction zone, where the thermal decomposition is performed, as well as a foot section, from which the reaction product is output in the carrier gas flow, wherein the head section of the reaction module has an injection port for temporarily introducing an injection needle or permanently supporting a small supply tube, which injection port comprises an O-ring which is internally spring-loaded by a silicon padding or an inserted spring.

Abstract: A sample analysis appliance for the analysis of a sample solution, in particular of contaminated water or of waste water, with a reaction vessel for the thermal digestion of a portioned sample of the sample solution to be analyzed. The reaction vessel has an injection port for the introduction of the sample into the reaction vessel, at least one sample solution storage vessel for the device-internal storage of sample solution, and an injection syringe device which is movable between the sample solution storage vessel and the reaction vessel and which can be controlled to collect the sample from the sample solution storage vessel and introduce the sample into the injection port of the reaction vessel.

Abstract: Disclosed is an analysis system for analyzing water and wastewater, comprising an analysis device that includes a device housing which accommodates device components and which has an inlet on a housing surface, said inlet being designed as an injection port through which a substance to be analyzed can be introduced into a device component when the device housing is closed, and comprising a syringe that includes an injection needle outlet, the surface normal of which is congruent with the longitudinal axis; and/or the syringe includes an automatic ejection element for ejecting a predetermined amount of substance within a predetermined injection period.

Abstract: Disclosed is an analysis device, in particular for analyzing water and wastewater, comprising a device housing that holds device components and has an opening on a housing surface, said opening being openable and closeable without using any tool; and comprising a component carriage or component insert which supports some of the device components and is configured and arranged together with said device components in such a way that at least part of the carriage or insert can be conveyed out of the housing through the opening so that the device components placed thereon are easily accessible.

Abstract: Method for determining the phosphorus content of an aqueous sample, in particular drainage-water sample, wherein the sample is subjected to thermal-oxidative decomposition and the orthophosphate content of the decomposed sample is determined photometrically in an aqueous analysis solution, such that the thermal decomposition is carried out in a single step by catalyzer-free burning of the sample as batch-decomposition in a combustion oven, the resulting combustion gas is transferred out of the combustion oven in a carrier-gas stream and the combustion/carrier gas stream is cooled to obtain the aqueous analysis solution as a condensate therefrom.

Abstract: Process for determination of a water content material, in particular organic carbon content and/or nitrogen, in which an aqueous sample is evaporated and combusted in at least one heating vessel equipped with a heating facility and the combustion product is fed in a transport gas flow to a detector for determination of the concentration of a gaseous compound of the water content material, characterised in that calibration is performed with a predetermined volume of a calibration gas which contains a predetermined concentration of the element corresponding to the water content material, in particular carbon and/or nitrogen.

Abstract: Method for determining the phosphorus content of an aqueous sample, in particular drainage-water sample, wherein the sample is subjected to thermal-oxidative decomposition and the orthophosphate content of the decomposed sample is determined photometrically in an aqueous analysis solution, such that the thermal decomposition is carried out in a single step by catalyzer-free burning of the sample as batch-decomposition in a combustion oven, the resulting combustion gas is transferred out of the combustion oven in a carrier-gas stream and the combustion/carrier gas stream is cooled to obtain the aqueous analysis solution as a condensate therefrom.

Abstract: Method of determining the oxygen demand, TOD or COD, of an aqueous solution, in particular of waste water, for a clarification process, wherein a sample of the aqueous solution is decomposed by combustion, such that the combustion is carried out without the presence of a catalyst, at a temperature above 1150° C., in particular at 1200° C.