Abstract: Device for solid-phase microextraction and analysis of substances to be analyzed, in particular in a gas chromatograph, with at least one collector, which is made of sorbent and/or adsorbent material and is placed on a rod-like support, and with at least one sample container, which is sealed with a pierceable partition wall and into which the collector is introduced piercing the partition wall for a sampling time, wherein the sealing of the sample container is assembled from the pierceable partition wall and a clamping ring, which can be mounted on the sample container and presses the partition wall together with a sealing element onto an upper rim of the sample container, and which comprises a socket in which a fitting of a transport adapter which is attached to a handling end of the rod-like support can be anchored detachably and with sealing surface pressure after the collector is inserted into the sample container following piercing the partition wall.

Abstract: Device for automatic sampling of samples for sample preparation or sample introduction for an analytical apparatus, in particular a chromatograph, with a movable holding arm for exchangeably holding at least one sampler, and with sample containers, from each of which a sample can be taken by means of a sampler that can be moved up and down, wherein, for taking up a sample of granular material, the sampler comprises a cannula as a filling space, in which a cannula plunger is displaceably arranged for opening and emptying the filling space of the cannula that is to be filled with a sample, and the cannula comprises a free lower end which, in order to introduce granular material into the filling space of the cannula, is repeatedly pushed against the bottom of the respective sample container, containing a quantity of granular material, using a predetermined pressure, which can be set by means of a pressure limiter associated with the sampler or with the sample container.

Abstract: Device for solid-phase microextraction and analysis of substances to be analyzed, in particular in a gas chromatograph, with at least one collector, which is made of sorbent and/or adsorbent material and is placed on a rod-like support, and with at least one sample container, which is sealed with a pierceable partition wall and into which the collector is introduced piercing the partition wall for a sampling time, wherein the sealing of the sample container is assembled from the pierceable partition wall and a clamping ring, which can be mounted on the sample container and presses the partition wall together with a sealing element onto an upper rim of the sample container, and which comprises a socket in which a fitting of a transport adapter which is attached to a handling end of the rod-like support can be anchored detachably and with sealing surface pressure after the collector is inserted into the sample container following piercing the partition wall.

Abstract: Device for solid-phase microextraction and analysis of substances to be analyzed, in particular in a gas chromatograph, with at least one collector, which is made of sorbent and/or adsorbent material and is placed on a rod-like support, and with at least one sample container, which is sealed with a pierceable partition wall and into which the collector is introduced piercing the partition wall for a sampling time, wherein the sealing of the sample container is assembled from the pierceable partition wall and a clamping ring, which can be mounted on the sample container and presses the partition wall together with a sealing element onto an upper rim of the sample container, and which comprises a socket in which a fitting of a transport adapter which is attached to a handling end of the rod-like support can be anchored detachably and with sealing surface pressure after the collector is inserted into the sample container following piercing the partition wall.

Abstract: Device for automatic sampling of samples for sample preparation or sample introduction for an analytical apparatus, in particular a chromatograph, with a movable holding arm for exchangeably holding at least one sampler, and with sample containers, from each of which a sample can be taken by means of a sampler that can be moved up and down, wherein, for taking up a sample of granular material, the sampler comprises a cannula as a filling space, in which a cannula plunger is displaceably arranged for opening and emptying the filling space of the cannula that is to be filled with a sample, and the cannula comprises a free lower end which, in order to introduce granular material into the filling space of the cannula, is repeatedly pushed against the bottom of the respective sample container, containing a quantity of granular material, using a predetermined pressure, which can be set by means of a pressure limiter associated with the sampler or with the sample container.

Abstract: Device for solid-phase microextraction and analysis of substances to be analyzed, in particular in a gas chromatograph, with at least one collector, which is made of sorbent and/or adsorbent material and is placed on a rod-like support, and with at least one sample container, which is sealed with a pierceable partition wall and into which the collector is introduced piercing the partition wall for a sampling time, wherein the sealing of the sample container is assembled from the pierceable partition wall and a clamping ring, which can be mounted on the sample container and presses the partition wall together with a sealing element onto an upper rim of the sample container, and which comprises a socket in which a fitting of a transport adapter which is attached to a handling end of the rod-like support can be anchored detachably and with sealing surface pressure after the collector is inserted into the sample container following piercing the partition wall.

Abstract: A method for the preparation of samples for an analyzer and a sampling station therefor are provided which allow automated injection of larger inert-gas volumes to be introduced into a sample container via a packing, in order to enrich the packing of the substances of a sample to be investigated.

Abstract: A method is provided for the preparation of samples for an analyzer, and a sample preparation station therefor, which allows injection of even relatively large liquid volumes through a packing in an automated manner in order to enrich the packing of the substances of a sample which are to be investigated.

Abstract: A method for the preparation of samples for an analyzer and a sampling station therefor are provided which allow automated injection of larger inert-gas volumes to be introduced into a sample container via a packing, in order to enrich the packing of the substances of a sample to be investigated.

Abstract: A method is provided for the preparation of samples for an analyzer, and a sample preparation station therefor, which allows injection of even relatively large liquid volumes through a packing in an automated manner in order to enrich the packing of the substances of a sample which are to be investigated.

Abstract: The invention relates to an apparatus for sample preparation and/or sample delivery for an injection system of a chromatograph, having a magazine (1), which can be moved in steps, for juxtaposed sample tubes (2), and having a lifting device (6) which can be moved between two end positions perpendicular to the transport direction of the magazine (1) via a motor (11) and bears a gripper (7) for a sample tube (2), as well as having a transfer device for a sample tube (2), the lifting device comprising at least one telescopic threaded cylinder (8) which bears the gripper (7) and has a plurality of nested threaded cylinders with an inner threaded cylinder (8a) and an outer threaded cylinder (8d) of which one is arranged non-rotatably relative to the magazine (1), while the other can be rotated by the motor (11).

Abstract: The invention relates to a method of sample delivery for a sample analyser, which has a delivery device for samples which can be loaded with exchangeable liners, which are tubular at least at the inlet end and hold the sample, the liners, on which there is respectively fitted at the gas inlet end a transporting head which holds the liner by means of a seal hereby having a friction fit, being arranged such that they are inserted at predetermined locations in a magazine and/or in sample containers, a changing device, which is equipped with a gripper for the transporting heads of the liners, being used and on the basis of a predetermined program, the changing device gripping the respective liner at a predetermined place on its transporting head and inserting it into the delivery device in a sealing manner, the sample delivery being performed and, subsequently, the liner being removed from the delivery device by the changing device, by gripping its transporting head, and also to a liner handling system for this.

Abstract: The invention relates to a sample handling device for an analytical device, comprising a sampler provided with a holder, a movable holding arm for the holder and a support for the holder, said support being arranged in a stationary manner with respect to the holding arm, said holder being transferable between a suspended position on the support and a position located on the holding arm and being releasable from the holding arm by a pulling force exerted by the holding arm substantially perpendicular to the longitudinal direction of the latter.

Abstract: The invention relates to a method of sample delivery for a sample analyser, which has a delivery device for samples which can be loaded with exchangeable liners, which are tubular at least at the inlet end and hold the sample, the liners, on which there is respectively fitted at the gas inlet end a transporting head which holds the liner by means of a seal hereby having a friction fit, being arranged such that they are inserted at predetermined locations in a magazine and/or in sample containers, a changing device, which is equipped with a gripper for the transporting heads of the liners, being used and on the basis of a predetermined program, the changing device gripping the respective liner at a predetermined place on its transporting head and inserting it into the delivery device in a sealing manner, the sample delivery being performed and, subsequently, the liner being removed from the delivery device by the changing device, by gripping its transporting head, and also to a liner handling system for this.

Abstract: The invention relates to a temperature-controlled injector for a chemical analysis unit, in particular a gas chromatograph, comprising an injector tube, which can be received by a receiving tube, having a cooling system, which surrounds the receiving tube, through which coolant can flow, which has coolant connections and which is designed as a metallic tube coil, and a resistance heating system for the injector tube, in which injector the receiving tube consists of a material of good thermal conductivity, is electrically insulating towards the outside, and the tube coil rests on the receiving tube, has an electrical resistance which is sufficient to rapidly heat the injector tube and can be acted on by current via electrical connection pieces.

Abstract: The invention relates to a temperature-controlled injector for a chemical analysis unit, in particular a gas chromatograph, comprising an injector tube, which can be received by a receiving tube, having a cooling system, which surrounds the receiving tube, through which coolant can flow, which has coolant connections and which is designed as a metallic tube coil, and a resistance heating system for the injector tube, in which injector the receiving tube consists of a material of good thermal conductivity, is electrically insulating towards the outside, and the tube coil rests on the receiving tube, has an electrical resistance which is sufficient to rapidly heat the injector tube and can be acted on by current via electrical connection pieces.

Abstract: The invention relates to a sample handling device for an analytical device, comprising a sampler provided with a holder, a movable holding arm for the holder and a support for the holder, said support being arranged in a stationary manner with respect to the holding arm, said holder being transferable between a suspended position on the support and a position located on the holding arm and being releasable from the holding arm by a pulling force exerted by the holding arm substantially perpendicular to the longitudinal direction of the latter.

Abstract: The invention relates to an apparatus for sample preparation and/or sample delivery for an injection system of a chromatograph, having a magazine (1), which can be moved in steps, for juxtaposed sample tubes (2), and having a lifting device (6) which can be moved between two end positions perpendicular to the transport direction of the magazine (1) via a motor (11) and bears a gripper (7) for a sample tube (2), as well as having a transfer device for a sample tube (2), the lifting device comprising at least one telescopic threaded cylinder (8) which bears the gripper (7) and has a plurality of nested threaded cylinders with an inner threaded cylinder (8a) and an outer threaded cylinder (8d) of which one is arranged non-rotatably relative to the magazine (1), while the other can be rotated by the motor (11).

Abstract: The invention relates to a gas chromatograph having a temperature-controlled injector for containing a vaporizer tube with chemical substances, thereon to be analyzed via a gas chromatography column, which temperature-controlled injector and vaporization tube can be heated by an electric resistance coil type of heating unit and can be cooled by a cooling unit, wherein the cooling unit has a cooling coil (7) which surrounds the heating unit and which is provided via a feedline and a return line (8, 9) with an external source of liquid, cooled coolant, with provision of a pump (11) for circulating the coolant and of a drain valve for draining the cooling coil.

Abstract: The invention relates to a sample application device for a gas chromatograph, having an evaporator (1) which can be cooled, can be heated in a temperature-controlled manner, is provided with a carrier-gas feed and has a valve head (11) for holding an exchangeable sampling tube (27), a receiving chamber (4) for the sampling tube (27), a column exit (18) and, if appropriate, a splitter exit (31). In this device, a pyrolyser tube (20), which is coupled to the carrier-gas feed and is held by the valve head (11), is arranged in the receiving chamber (4), in which there is a heating coil (26) into which the sampling tube (27) can be fitted and to which current can be applied by means of a heating conductor (25) which is guided outwards through the valve head (11).