Abstract: A high-voltage power switch, preferably with a dead tank design, contains: a switching unit that has a switching device and an actuation element that is axially movable in relation to a longitudinal axis of the switching device to actuate the switching device and a closing resistor unit that has a closing resistor arrangement and an adjusting element that is axially movable in relation to a longitudinal axis of this closing resistor arrangement to actuate the closing resistor arrangement. The actuation element is coupled to the adjusting element in order to move the latter. Accordingly, the longitudinal axis of the switching unit and the longitudinal axis of the closing resistor unit are spaced apart, and the actuation and adjusting elements are coupled by a coupling device of the high-voltage power switch.

Abstract: A potentiometric sensor having a measuring half cell with a conductor element, a reference half cell with a reference element, a measuring circuit connected with the conductor element of the measuring half cell and the reference element of the reference half cell and designed to create a measuring signal that is dependent on a potential difference between the conductor element and the reference element. The measuring half cell further includes a housing having a housing chamber closed off by a first ion-selective membrane and contacted by the conductor element, a first inner electrolyte contained within the housing chamber and contacting the ion-selective membrane. The conductor element includes an inner conductor, especially an inner conductor comprising a metallic conductor, connected with the measuring circuit and a gas-tight barrier separating the inner conductor from the first inner electrolyte.

Abstract: A high-voltage power switch, preferably with a dead tank design, contains: a switching unit that has a switching device and an actuation element that is axially movable in relation to a longitudinal axis of the switching device to actuate the switching device and a closing resistor unit that has a closing resistor arrangement and an adjusting element that is axially movable in relation to a longitudinal axis of this closing resistor arrangement to actuate the closing resistor arrangement. The actuation element is coupled to the adjusting element in order to move the latter. Accordingly, the longitudinal axis of the switching unit and the longitudinal axis of the closing resistor unit are spaced apart, and the actuation and adjusting elements are coupled by a coupling device of the high-voltage power switch.

Abstract: The present invention relates to a method of producing sesquiterpene lactones of the thapsigargin family, the method comprising the steps of: (a) culturing plant cells of the genus Thapsia in a nutrient medium in a suspension cell culture, wherein the cells produce one or more sesquiterpene lactones of the thapsigargin family; and (b) recovering one or more sesquiterpene lactones of the thapsigargin family produced in (a). The present invention further relates to a suspension cell culture comprising plant cells of the genus Thapsia, wherein the plant cells are capable of producing one or more sesquiterpene lactones of the thapsigargin family and to a plant cell biomass comprising plant cells of the genus Thapsia obtained from said suspension cell culture.

Abstract: The present disclosure relates to a sensor for determining measured values of a measured variable representing an analyte content in a measuring fluid, comprising a measuring probe with a probe housing that comprises an immersion region provided for immersion into the measuring fluid, and a single-layer or multi-layer membrane arranged in the immersion region, wherein the membrane comprises at least a first layer that is formed from a polymer and comprises a superhydrophobic surface that is in contact with the measuring fluid when the immersion region is immersed in the measuring fluid.

Abstract: According to at least one aspect of the present disclosure, a method for determining orthophosphate content of a liquid, comprising: registering a first measurement signal of an ion selective dihydrogen phosphate sensor; registering a second measurement signal of an ion selective hydrogen phosphate sensor; and determining the orthophosphate content of the liquid based on the first and second measurement signals. The dihydrogen phosphate sensor can comprise an ion selective dihydrogen phosphate electrode and the hydrogen phosphate sensor an ion selective hydrogen phosphate electrode. In the step of determining the orthophosphate content of the liquid, a cross-sensitivity of the dihydrogen phosphate electrode to hydrogen phosphate present in the liquid and a cross-sensitivity of the hydrogen phosphate electrode to dihydrogen phosphate present in the liquid can be taken into consideration.

Abstract: The present disclosure relates to an amperometric sensor for determining measurement values of a measurand representing a chlorine dioxide content of a measuring fluid, the sensor including a sensor housing in which a housing chamber is formed, a membrane sealing the housing chamber, a working electrode arranged within the housing chamber, a counter electrode arranged within the housing chamber, an inner electrolyte contained in the housing chamber and in contact with the membrane, the working electrode and the counter electrode, the inner electrolyte having a pH value between 3.5 and 9, inclusive, and a pH buffer stabilizing the inner electrolyte. The sensor further includes a measurement circuit electrically connected with the working electrode and the counter electrode and configured to apply a predetermined, constant voltage between the working electrode and the counter electrode and to generate at least one measurement signal representing a measurement value of the measurand.

Abstract: According to at least one aspect of the present disclosure, a method for determining orthophosphate content of a liquid, comprising: registering a first measurement signal of an ion selective dihydrogen phosphate sensor; registering a second measurement signal of an ion selective hydrogen phosphate sensor; and determining the orthophosphate content of the liquid based on the first and second measurement signals. The dihydrogen phosphate sensor can comprise an ion selective dihydrogen phosphate electrode and the hydrogen phosphate sensor an ion selective hydrogen phosphate electrode. In the step of determining the orthophosphate content of the liquid, a cross-sensitivity of the dihydrogen phosphate electrode to hydrogen phosphate present in the liquid and a cross-sensitivity of the hydrogen phosphate electrode to dihydrogen phosphate present in the liquid can be taken into consideration.

Abstract: A method for determining orthophosphate content of a liquid, comprising: registering a first measurement signal (ISE1) of an ion selective dihydrogen phosphate sensor; registering a second measurement signal (ISE2) of an ion selective hydrogen phosphate sensor; and determining the orthophosphate content of the liquid based on the first (ISE1) and second (ISE2) measurement signals. The dihydrogen phosphate sensor can comprise an ion selective dihydrogen phosphate electrode and the hydrogen phosphate sensor an ion selective hydrogen phosphate electrode. In the step of determining the orthophosphate content of the liquid, a cross-sensitivity of the dihydrogen phosphate electrode to hydrogen phosphate present in the liquid and a cross-sensitivity of the hydrogen phosphate electrode to dihydrogen phosphate present in the liquid can be taken into consideration.

Abstract: The present disclosure relates to a sensor for determining measured values of a measured variable representing an analyte content in a measuring fluid, comprising a measuring probe with a probe housing that comprises an immersion region provided for immersion into the measuring fluid, and a single-layer or multi-layer membrane arranged in the immersion region, wherein the membrane comprises at least a first layer that is formed from a polymer and comprises a superhydrophobic surface that is in contact with the measuring fluid when the immersion region is immersed in the measuring fluid.

Abstract: The present disclosure relates to an amperometric sensor for determining measurement values of a measurand representing a chlorine dioxide content of a measuring fluid, the sensor including a sensor housing in which a housing chamber is formed, a membrane sealing the housing chamber, a working electrode arranged within the housing chamber, a counter electrode arranged within the housing chamber, an inner electrolyte contained in the housing chamber and in contact with the membrane, the working electrode and the counter electrode, the inner electrolyte having a pH value between 3.5 and 9, inclusive, and a pH buffer stabilizing the inner electrolyte. The sensor further includes a measurement circuit electrically connected with the working electrode and the counter electrode and configured to apply a predetermined, constant voltage between the working electrode and the counter electrode and to generate at least one measurement signal representing a measurement value of the measurand.

Abstract: The present invention relates to a method of producing sesquiterpene lactones of the thapsigargin family, the method comprising the steps of: (a) culturing plant cells of the genus Thapsia in a nutrient medium in a suspension cell culture, wherein the cells produce one or more sesquiterpene lactones of the thapsigargin family; and (b) recovering one or more sesquiterpene lactones of the thapsigargin family produced in (a). The present invention further relates to a suspension cell culture comprising plant cells of the genus Thapsia, wherein the plant cells are capable of producing one or more sesquiterpene lactones of the thapsigargin family and to a plant cell biomass comprising plant cells of the genus Thapsia obtained from said suspension cell culture.

Abstract: A potentiometric sensor having: a measuring half cell with a conductor element; a reference half cell with a reference element; a measuring circuit that is connected with the conductor element of the measuring half cell and the reference element of the reference half cell, is designed to create a measuring signal that is dependent on a potential difference between the conductor element and the reference element. The measuring half cell further includes: a housing, in which a housing chamber is formed, which is closed off by a first ion-selective membrane and contacted by the conductor element a first inner electrolyte contained within the housing chamber, contacting the ion-selective membrane, wherein the conductor element includes an inner conductor, especially an inner conductor comprising a metallic conductor, that is connected with the measuring circuit and a gas-tight barrier separating the inner conductor from the first inner electrolyte.

Abstract: The invention relates to a device for separating out magnetizable impurities from flowing fluids (liquids or gases), comprising a cylindrical chamber (2) with an inlet (18) (fluid inlet) for the fluid carrying the magnetizable particles, an outlet (22) for the cleaned fluid (clean fluid outlet) and an outlet (28, 38) for the magnetizable particles (particle outlet). An internal pipe (4) that forms, together with the chamber wall, an annular gap (12) through which the fluid flows is arranged in the chamber (2). A supply valve (20) is located upstream of or at, the fluid inlet, and an outlet valve (30, 40) is provided at the particle outlet. At least one magnet (14, 36) is arranged outside said annular gap, between the fluid inlet and the cleaned fluid outlet in the direction of flow. A rotatable, helical scraper (10) is located in the annular gap (12), which scraper transports magnetizable particles which have deposited on the chamber wall and/or the internal pipe to the particle outlet (28, 38).

Abstract: A measuring transducer embodied to produce and output a measurement signal dependent on an activity of a target ion present in a measured medium, wherein the measuring transducer has, in a region provided for contact with the measured medium, at least one membrane conducting the target ion; wherein the measuring transducer has a first potential sensing element and a second potential sensing element, and wherein at least one section of the second potential sensing element is arranged in the interior of the membrane and the first potential sensing element is arranged in an inner electrolyte, which is separated from the measured medium by the membrane and is in contact with the membrane.

Abstract: A method for determining orthophosphate content of a liquid, comprising: registering a first measurement signal (ISE1) of an ion selective dihydrogen phosphate sensor; registering a second measurement signal (ISE2) of an ion selective hydrogen phosphate sensor; and determining the orthophosphate content of the liquid based on the first (ISE1) and second (ISE2) measurement signals. The dihydrogen phosphate sensor can comprise an ion selective dihydrogen phosphate electrode and the hydrogen phosphate sensor an ion selective hydrogen phosphate electrode. In the step of determining the orthophosphate content of the liquid, a cross-sensitivity of the dihydrogen phosphate electrode to hydrogen phosphate present in the liquid and a cross-sensitivity of the hydrogen phosphate electrode to dihydrogen phosphate present in the liquid can be taken into consideration.

Abstract: An ion-selective electrode comprising: a housing, which surrounds a housing interior; an ion-selective membrane; especially a polymer membrane; and a sensing system, which is in contact with the ion-selective membrane, for sensing a potential of the ion-selective membrane, wherein the ion-selective membrane at least partially fills the housing interior, and is in contact with a medium surrounding the housing via at least one traversing bore through a housing wall of the housing.

Abstract: A reference electrode, especially for a potentiometric measuring cell, comprising: a housing, which surrounds a housing interior, which contains a reference electrolyte and at least a part of a sensing system for sensing a potential of the reference electrode. The reference electrolyte is in contact with a medium surrounding the housing, especially a measured medium, via at least one bore traversing through a housing wall of the housing, and wherein the bore has an inner diameter of no more than 50 ?m at its narrowest point and a length of no more than 200 ?m.

Abstract: A method for operating a measuring device comprising the following steps: providing a first sample of the liquid; ascertaining an updated calibration function by means of a standard addition method, wherein the first sample is supplemented at least once with a standard solution, which has a known concentration of the measured ion; determining a measured value of concentration of the measured ion in the first sample; providing a second sample of the liquid; ascertaining a measured value of concentration of the measured ion in the second sample as a reference measured ion concentration (cref) by means of a reference method; and determining a difference (cdisturb) between the apparent measured ion concentration (capparent) and the reference measured ion concentration (cref) and deriving a correction value (ckorr) therefrom for future measured values of concentration of the measured ion in the liquid, as ascertained with the measuring device.

Abstract: A measuring transducer embodied to produce and output a measurement signal dependent on an activity of a target ion present in a measured medium, wherein the measuring transducer has, in a region provided for contact with the measured medium, at least one membrane conducting the target ion; wherein the measuring transducer has a first potential sensing element and a second potential sensing element, and wherein at least one section of the second potential sensing element is arranged in the interior of the membrane and the first potential sensing element is arranged in an inner electrolyte, which is separated from the measured medium by the membrane and is in contact with the membrane.