Abstract: The present disclosure relates to a capsule for preparing a solution for use with a measuring device for determining a measurand that depends on a concentration of at least one analyte in a sample. The capsule includes a wall completely enclosing an interior, at least one substance accommodated within the interior, and at least one stirring body. The present disclosure also relates to a system, which includes at least one capsule and a liquid container closed in a liquid-tight manner, which contains a predetermined volume of a liquid containing a solvent. In addition, the wall of the capsule is formed from a material which dissolves at least partially in the solvent.

Abstract: The invention discloses a container for reagents for an analyzer in process automation technology, comprising an, in particular bottle-shaped, container wall which is designed to form a first compartment for a first reagent; an insert which is arranged at least in some sections in the first compartment, and which forms a second compartment separated from the first compartment for a second reagent, wherein the insert comprises a closure; and a punch which is movable at least between a first position and a second position, wherein the punch, in moving from the first position to the second position, opens, in particular cuts through, penetrates, pierces or presses out, the closure and clears a path from the second compartment into the first compartment, whereby second reagent enters the first reagent. In addition, the invention also discloses a corresponding method.

Abstract: A method is disclosed for determining a parameter dependent on the concentration of a substance in a sample liquid. The method includes determining a first measured value representing a value of the parameter in a first standard solution using the automatic analysis apparatus, wherein the value of the parameter in the first standard solution is known, and determining a second measured value representing a value of the parameter in a second standard solution using the automatic analysis apparatus, wherein the value of the parameter in the second standard solution is known and differs from the value of the parameter in the first standard solution. The first standard solution or the second standard solution is automatically produced using the analysis apparatus by mixing a predetermined volume of a stock solution containing the substance and a predetermined volume of a dilution liquid.

Abstract: The present disclosure relates to a capsule for preparing a solution for use with a measuring device for determining a measurand that depends on a concentration of at least one analyte in a sample. The capsule includes a wall completely enclosing an interior, at least one substance accommodated within the interior, and at least one stirring body. The present disclosure also relates to a system, which includes at least one capsule and a liquid container closed in a liquid-tight manner, which contains a predetermined volume of a liquid containing a solvent. In addition, the wall of the capsule is formed from a material which dissolves at least partially in the solvent.

Abstract: The present disclosure relates to a method for preparing a solution for use with a measuring device for determining a measurand that depends on a concentration of at least one analyte in a sample. The method includes a step of adding at least one capsule to a predetermined volume of a liquid comprising a solvent, wherein the capsule has a wall completely surrounding an interior and at least one substance accommodated within the interior. The wall of the capsule at least partially dissolves in the liquid and the substance accommodated in the interior escapes into the liquid. The method also includes a step of mixing the substance with the liquid or dissolving the substance in the liquid. The present disclosure also relates to a system for preparing a solution according to said method.

Abstract: The present disclosure includes an automatic analyzer and a method for the determination of a measurand dependent upon the concentration of one or more ingredients of a measuring fluid. The analyzer includes a measuring cell includes a cuvette and a sensing element, the sensing element including at least one radiation source and at least one detector configured to generate measurement signals, a control and evaluation unit that is connected to the sensing element to receive and process measurement signals of the sensing element, and a delivery and metering unit that can be controlled by the control and evaluation unit, where the control and evaluation unit is configured to control the delivery and metering unit to transport measuring fluid into the cuvette and to monitor the transport of the measuring fluid into the cuvette by means of the sensing element.

Abstract: An analytical device for determining a parameter of a liquid sample, especially a digestion parameter, such as chemical oxygen demand, total carbon content or total nitrogen content, comprising a reactor, and measuring system for ascertaining the parameter of the liquid sample. A container system for storing samples, reagents and waste products in containers, a transport and dosing system for metering and transporting the sample and reagents from the containers into a metering container and for disposal of waste products from the metering container into a waste container, and a measuring transducer for registering a measured parameter correlating, measured value of the liquid sample mixed in the reactor, and measuring, system, in given cases, with one or more reagents is provided.

Abstract: An analytical device for automated determining of a measured variable of a liquid sample, includes: a base module; a replaceable cassette connectable with the base module and having at least one liquid container connectable via a fluid line with a measuring cell and containing a reagent to be added to the liquid sample for forming a measured liquid; and a measuring transducer for registering measured values correlated with the measured variable for the measured liquid accommodated in the measuring cell. The cassette has, associated with the at least one liquid container, a fluid coupling apparatus having a primary component and a secondary component and serving for producing a connection of the fluid line with the liquid container.

Abstract: The present disclosure includes an automatic analyzer and a method for the determination of a measurand dependent upon the concentration of one or more ingredients of a measuring fluid. The analyzer includes a measuring cell includes a cuvette and a sensing element, the sensing element including at least one radiation source and at least one detector configured to generate measurement signals, a control and evaluation unit that is connected to the sensing element to receive and process measurement signals of the sensing element, and a delivery and metering unit that can be controlled by the control and evaluation unit, where the control and evaluation unit is configured to control the delivery and metering unit to transport measuring fluid into the cuvette and to monitor the transport of the measuring fluid into the cuvette by means of the sensing element.

Abstract: A method for removing chloride from samples containing volatile organic carbon, wherein a chloride containing sample is mixed with a difficulty volatile acid, wherein hydrochloric acid gas arises, which is present in dissolved form in a sample-acid mixture and then the hydrochloric acid gas is purged by a carrier gas from the sample-acid mixture, wherein the hydrochloric acid gas is removed from the carrier gas following the purging and the carrier gas is fed back to the sample-acid mixture. In order during the hydrochloric acid purging largely to suppress the driving out of easily volatile organic compounds, the sample-acid mixture has a temperature of approximately 3° C. to 30° C., wherein, following the purging from the sample-acid mixture, the hydrochloric acid gas is removed from the carrier gas by absorption with water.

Abstract: An analytical device for determining a parameter of a liquid sample, especially a digestion parameter, such as chemical oxygen demand, total carbon content or total nitrogen content, comprising a reactor, and measuring system for ascertaining the parameter of the liquid sample. A container system for storing samples, reagents and waste products in containers, a transport and dosing system for metering and transporting the sample and reagents from the containers into a metering container and for disposal of waste products from the metering container into a waste container, and a measuring transducer for registering a measured parameter correlating, measured value of the liquid sample mixed in the reactor, and measuring, system, in given cases, with one or more reagents is provided.

Abstract: A method for removing chloride from samples containing volatile organic carbon, wherein a chloride containing sample is mixed with a difficultly volatile acid, wherein hydrochloric acid gas arises, which is present in dissolved form in a sample-acid mixture and then the hydrochloric acid gas is purged by a carrier gas from the sample-acid mixture, wherein the hydrochloric acid gas is removed from the carrier gas following the purging and the carrier gas is fed back to the sample-acid mixture. In order during the hydrochloric acid purging largely to suppress the driving out of easily volatile organic compounds, the sample-acid mixture has a temperature of approximately 3° C. to 30° C., wherein, following the purging from the sample-acid mixture, the hydrochloric acid gas is removed from the carrier gas by absorption with water.

Abstract: A method for removing chloride from samples containing volatile organic carbon, wherein a chloride containing sample is mixed with a difficultly volatile acid, wherein hydrochloric acid gas arises, which is present in dissolved form in a sample-acid mixture and then the hydrochloric acid gas is purged by a carrier gas from the sample-acid mixture, wherein the hydrochloric acid gas is removed from the carrier gas following the purging and the carrier gas is fed back to the sample-acid mixture. In order during the hydrochloric acid purging largely to suppress the driving out of easily volatile organic compounds, the sample-acid mixture has a temperature of approximately 3° C. to 30° C., wherein, following the purging from the sample-acid mixture, the hydrochloric acid gas is removed from the carrier gas by absorption with water.

Abstract: A method for removing chloride from samples containing volatile organic carbon, wherein a chloride containing sample is mixed with a difficultly volatile acid, wherein hydrochloric acid gas arises, which is present in dissolved form in a sample-acid mixture and then the hydrochloric acid gas is purged by a carrier gas from the sample-acid mixture, wherein the hydrochloric acid gas is removed from the carrier gas following the purging and the carrier gas is fed back to the sample-acid mixture. In order during the hydrochloric acid purging largely to suppress the driving out of easily volatile organic compounds, the sample-acid mixture has a temperature of approximately 3° C. to 30° C., wherein, following the purging from the sample-acid mixture, the hydrochloric acid gas is removed from the carrier gas by absorption with water.