The invention relates to an apparatus (100) for collecting dust samples. The apparatus comprises a piston (102) and a cylinder (110) for holding the piston with a body having a hole (108) extending through the body. The cylinder (110) has a first end (112), which is open, the first end of the cylinder being slanted such that underside (130) of the cylinder extends farther than upper side (132). A mechanism (114) moves the piston between inward and outward positions. The apparatus gathers dust flowing past the piston into the hole of the piston when the piston is in the outward position and moves the gathered dust by moving the piston into the inward position. An input feed (116) is configured to spread fluid through the hole filled with dust to flush the dust to an output feed (118).

Devices and methods for analyzing a sample are disclosed. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample and conducting sample analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device. The reader instrument device receives, operates, and/or actuates the cartridge device to prepare a serial dilution of a sample and conduct sample analysis.

A testing device for testing the level of a selected chemical in central heating system water in a central heating system circuit comprises: a sample chamber for holding a sample of central heating system water, the sample chamber being connected to the central heating system circuit; means for controlling filling of the sample chamber with central heating system water from the central heating system circuit, and emptying of the sample chamber; at least one valve for isolating the sample of central heating system water from the heating circuit during testing; and optical testing apparatus including a light source and a detector, for measuring an optical property of the sample of central heating system water isolated within the sample chamber and thereby making a determination as to whether or not the level of the selected chemical in the water is greater than a predetermined threshold level.

A lower-side structure forms a specimen chamber in which a specimen base is provided. An upper-side structure forms a nozzle chamber above the specimen chamber. The specimen chamber and the nozzle chamber are separated by a gate valve. In the nozzle chamber, at least a tip opening of a nozzle that ejects a specimen is present. A control device maintains a relationship of gas pressures such that a gas pressure in the specimen chamber is higher than a gas pressure in the nozzle chamber when the lower-side structure and the upper-side structure are in communication with each other.

The invention relates to an apparatus (100) for collecting dust samples. The apparatus comprises a piston (102) and a cylinder (110) for holding the piston with a body having a hole (108) extending through the body. The cylinder (110) has a first end (112), which is open, the first end of the cylinder being slanted such that underside (130) of the cylinder extends farther than upper side (132). A mechanism (114) moves the piston between inward and outward positions. The apparatus gathers dust flowing past the piston into the hole of the piston when the piston is in the outward position and moves the gathered dust by moving the piston into the inward position. An input feed (116) is configured to spread fluid through the hole filled with dust to flush the dust to an output feed (118).

Automated analyzers to measure or determine parameters in mineral slurries or process water, in particular to online and automated analyzers to measure pH, or to perform quantitative volumetric titrations relying on spectra absorbance of a liquid extracted from titrant and titrant mixture to determine the endpoint of titration, such as the measurement of liquid hardness in mineral slurries or process water. An automated pH analyzer may include a processor operable to manage the operations associated with the apparatus, an automated sampler coupled to the vessel or conduit and operable to extract a sample of a determined volume of the slurry or process water from the vessel or conduit, the automated sampler being under control of the processor, a water source under control of the processor and operable to deliver a known volume of water of a known pH into the sample, a mixing chamber that receives the known volume of water and the sample, an agitator operable to agitate the sample and the known volume of water in the mixing chamber to produce a diluted sample mixture, an automated filter operable to extract an aliquot of the diluted sample mixture from the mixing chamber and to filter the aliquot to produce a filtrate, a pH probe after the automated filter to measure the pH of filtrate, and a pH probe within the mixing chamber operable to measure a pH of the diluted sample mixture. The measurement is used to calculate the pH of the extracted sample, and to alter in near real time a process control of the a mineral processing operation related to the mineral slurry or process water.

Systems and methods for automatic sampling of a sample for the determination of chemical element concentrations and control of semiconductor processes are described. A system embodiment includes a remote sampling system configured to collect a sample of phosphoric acid at a first location, the remote sampling system including a remote valve having a holding loop coupled thereto; and an analysis system configured for positioning at a second location remote from the first location, the analysis system coupled to the remote valve via a transfer line, the analysis system including an analysis device configured to determine a concentration of one or more components of the sample of phosphoric acid and including a sample pump at the second location configured to introduce the sample from the holding loop into the transfer line for analysis by the analysis device.

Systems and methods are described to provide speciation of silicon species present in a remote sample for analysis. A method embodiment includes, but is not limited to, receiving a fluid sample containing inorganic silicon in the presence of bound silicon from a remote sampling system via a fluid transfer line; transferring the fluid sample to an inline chromatographic separation system; separating the inorganic silicon from the bound silicon via the inline chromatographic separation system; transferring the separated inorganic silicon and bound silicon to a silicon detector in fluid communication with the inline chromatographic separation system; and determining an amount of one or more of the inorganic silicon or the bound silicon in the fluid sample via the silicon detector.

A fluid sampling system having a nozzle, a fluid path configured to transfer a process fluid sample of a process fluid from a process fluid source of a lithium recovery system to the nozzle, a fluid control device along the fluid path, an identification tag reader, and a processing device. The fluid control device may operate between a closed position in which it prevents transfer of the process fluid sample and an open position in which it permits transfer of the process fluid sample into a sample container. The identification tag reader may read an identification tag associated with the sample container and output dispenser identification tag data indicative of the identification tag. The processing device may receive process sensor data indicative of properties of the process fluid, receive the dispenser identification tag data, and associate the dispenser identification tag data with the process sensor data.

A sampling device for taking samples from a gaseous beverage under pressure includes a connection for a beverage line, a pump having a pump chamber, a particle filter, a discharging opening for a beverage sample, an outlet for waste, a control device, and a line system connected to the pump chamber with adjustable valves. The sampling device is configured so a beverage sample with a volume smaller than the volume of the pump chamber is introduced from the connection into the pump chamber. The pump chamber is then separated from the connection and is expanded so gas exits from the beverage sample. The pump chamber is then connected to the outlet opening and compressed so gas which has passed out of the beverage sample is displaced. Then, the pump chamber is connected to the discharging opening via the particle filter and compressed so the beverage sample is displaced.