Abstract: In some examples, a vessel mounting system may include a first collar and a second collar. The second collar may include a clip engageable with an edge of the first collar to engage the second collar with the first collar.

Abstract: In some examples, a vessel mounting system may include a first collar including at least one flexible member engageable with a groove of a vessel to align the first collar relative to the vessel. A second collar may include at least one clip engageable with a complementary clip of the first collar to engage the second collar with the first collar.

Abstract: In some examples, a vessel mounting system may include a first collar and a second collar. The second collar may include at least one positioning member to position the second collar relative to the first collar. Further, the second collar may include at least one interlocking member to lock the second collar to the first collar.

Abstract: In some examples, a vessel mounting system may include a first collar including at least one protrusion engageable with a groove of a vessel to align the first collar relative to the vessel. A second collar may include at least one stud disposable in a corresponding aperture of the first collar to align the second collar relative to the first collar.

Abstract: In a sample separation apparatus for separating a fluidic sample using a mobile phase provided from at least one mobile phase container, a method of determining a density of the mobile phase includes determining a weight and volume reduction behavior according to which weight and volume of mobile phase in a mobile phase container are reduced during conveying mobile phase from the mobile phase container in the sample separation apparatus. The density of the mobile phase is determined based on the determined weight and volume reduction behavior.

Abstract: In a sample separation apparatus for separating a fluidic sample, a mobile phase container is identified by determining a weight and volume characteristic of the mobile phase container, and identifying the mobile phase container based on a comparison of the determined weight and volume characteristic of the mobile phase container with a pre-known reference weight and volume characteristic of one or more reference mobile phase containers with pre-known identity. A mobile phase is identified by determining a weight and volume reduction behavior according to which weight and volume of mobile phase in a mobile phase container are reduced during conveying mobile phase from the mobile phase container in the sample separation apparatus, and identifying the mobile phase based on a comparison of the determined weight and volume reduction behavior with pre-known reference weight and volume reduction behavior of one or more reference mobile phase materials with pre-known identity.

Abstract: In some examples, a shaft coupling system may include a first shaft including a disc that is engageable by a second shaft to retain the second shaft with the first shaft when the second shaft is rotated in a first direction, and release the second shaft from the first shaft when the second shaft is rotated in a second direction that is opposite to the first direction. A spring may be mounted to the first shaft to bias the second shaft towards the first shaft when the second shaft is retained with the first shaft. Further, a shaft coupling method may include engaging a second shaft with a disc of a first shaft by rotating the second shaft in a first direction relative to the first shaft, and disengaging the second shaft from the first shaft by rotating the second shaft in a second direction relative to the first shaft.

Abstract: In some examples, an instrument closure may include an instrument closure retainer to retain the instrument closure onto a container. The instrument closure may further include a sensor retainer including a plurality of apertures for transfer or removal of material, respectively, into or from the container. The sensor retainer may further include a sensor mount to retain a sensor.

Abstract: In some examples, a filter assembly may include a filter including a first gasket having a first channel adjacent to a first side of the filter and a second gasket having a second channel adjacent to a second side of the filter. The first gasket and the second gasket may include a beveled surface adjacent to the filter. The first channel and the second channel may include a diameter of from about 0.01 mm to about 0.5 mm. A finger tightening system may securely hold the filter without any leaks.

Abstract: A mobile phase supply device, for supplying a mobile phase for a sample separation apparatus for separating a fluidic sample, includes a fluidically normally closed cap device configured to be mounted on a mobile phase container containing a mobile phase, and a fluidically normally closed port device configured for being mechanically connected with the cap device in such a way that, upon establishing a mechanical connection between the port device and the cap device, both the port device and the cap device are converted into a fluidically opened configuration.

Abstract: A method of controlling a sample separation apparatus, for separating a fluidic sample using a mobile phase provided from at least one mobile phase container, includes determining a weight and volume reduction behavior according to which weight and volume of mobile phase in a mobile phase container are reduced during conveying mobile phase from the mobile phase container in the sample separation apparatus, and determining a tare weight of the mobile phase container based on a gross weight information, a volume information, and the determined weight and volume reduction behavior. The gross weight information is indicative of an initial gross weight of the mobile phase container including its mobile phase, and the volume information is indicative of an initial mobile phase volume in the mobile phase container.

Abstract: In some examples, a filter assembly may include a filter including a first gasket having a first channel adjacent to a first side of the filter and a second gasket having a second channel adjacent to a second side of the filter. The first gasket and the second gasket may include a beveled surface adjacent to the filter. The first channel and the second channel may include a diameter of from about 0.01 mm to about 0.5 mm. A finger tightening system may securely hold the filter without any leaks.

Abstract: In some examples, a filter assembly may include a filter including a first gasket having a first channel adjacent to a first side of the filter and a second gasket having a second channel adjacent to a second side of the filter. The first gasket and the second gasket may include a beveled surface adjacent to the filter. The first channel and the second channel may include a diameter of from about 0.01 mm to about 0.5 mm. A finger tightening system may securely hold the filter without any leaks.