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Document Title |
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7270020 |
Instrument assemblies and analysis methods
The disclosure relates to instrument assemblies that can include a sample introduction port coupled to a chamber configured to receive the sample from the sample introduction port and provide...
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7253005 |
Catalyst sampling system
A method and apparatus are provided for obtaining a reproducible sample of solid particles. The reproducible sample is obtained by receiving solid particles into a collection system that includes a...
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7186384 |
Sample entry device for delivering medical samples to an analyzer
The invention relates to a sample entry device for delivering medical samples, preferably blood samples, from diverse sample containers to an analyzer, wherein sample transfer between sample intake...
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7071000 |
Method for sampling reaction products
A method for sampling reaction products includes delivering a reactant through a sampling probe to contact a substance deposited on a substrate and reacting the reactant to form a reaction product....
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6864091 |
Sampling probe
A sampling probe for delivering a reactant to a substance deposited on a substrate to form a reaction product and for transporting the reaction product to a product analyzer for analysis. The probe...
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6675629 |
Method of and instrument for analyzing a gas
An instrument provides a quantitative measurement of an analyte in a gas. It includes a detection cell that provides an indication of an amount of analyte present in the gas, and a valve having a...
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6637277 |
Fluid sampling device
A fluid sampling device or system for providing a fluid to a fluid processing apparatus. The system includes a plurality of sampling lines, each having an inlet line and an outlet line connected by...
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6468475 |
Autosampler
An autosampler for manipulating a specimen container into and out of a furnace of a parent instrument is disclosed. The autosampler has upper, lower and middle gripping fingers which grip and...
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6272937 |
Gas sampling system
A gas sampling system includes a sample trapping module having a gas pump and a power supply, and a removable magazine that fits within a port of the trapping module. The magazine contains a...
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6263743 |
Liquid transferring device
A device for transferring a liquid sample drawn by suction, through a wall having an orifice, the device including a conduit, a plunger sealingly sliding in the conduit, and a rod controlling the...
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6210640 |
Collector for an automated on-line bath analysis system
A collector and method for collecting samples of liquid from at least one source of liquid for automated analysis of the samples. The collector has at least one receptacle for receiving liquid from...
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6021253 |
Heating probe
A probe for heating a reagent and/or a test specimen from a storage temperature to an analysis temperature is provided herein. The probe is particularly useful with or as part of a clinical...
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5792423 |
Headspace autosampler apparatus and method
A headspace autosampling apparatus (92) for generating and delivering gaseous samples to a gas chromatograph or other instrument includes a plurality of vials (98) in a carousel (150). The vials...
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5726364 |
Sample introduction apparatus for a flow cytometer
A sample introduction system for a flow cytometer allows easy change of sample containers such as test tubes and facilitates use in high pressure environments. The sample container includes a cap...
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5683658 |
Reagent bottle
A reagent bottle suitable for insertion into a sample analyzer features a sample discharge opening plugged by an elastic, pierceable stopper, and an air inlet. Both the sample discharge opening and...
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5602349 |
Sample introduction system for a flow cytometer
A sample introduction system for a flow cytometer allows easy change of sample containers such as test tubes and facilitates use in high pressure environments. The sample container includes a cap...
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5576214 |
Method of supplying disposable tips to an aspirator
An array of tips is disclosed for multiple loading onto plural aspirators, wherein the array comprises columns of tips temporarily joined together within and between columns, at discontinuously...
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5454274 |
Sequential combination low temperature condenser and enclosed filter solvent removal system, and method of use
A sequential combination solvent removal system comprising at least one low temperature condenser solvent removal system interconnected to at least one enclosed filter solvent removal system is...
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5441701 |
Feeder unit for selectively charging an analyzing apparatus
A feeder unit, which is used for selectively charging an analyzing apparatus with liquid or gaseous sample-, reference- or cleaning media, comprises a sample inlet and a feeder part hinged on the...
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5297433 |
Expansion-chamber/vial sparger vessel
In its simplest sense the invention is an expansion chamber device that allows a sample to be purged and trapped for analysis without removal of the sample from the common field sample vial (VOA...
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5271894 |
Chemiluminescent analyzer
In a chemiluminescent analyzer for measuring a concentration of an object gas in a sample gas by mixing the sample gas with 5 a reaction gas and measuring light generated in a chemical reaction...
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5270211 |
Sample tube entry port for a chemical analyzer
A sample tube entry port for an automatic chemical analyzer supports individual draw tubes that are manually delivered to the analyzer at a sample access station. The entry port facilitates removal...
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5230253 |
Fluid mixing device
An improved fluid mixing device comprising a mixing chamber having end walls and a cylindrical side wall. A first fluid conduit joins the mixing chamber at a first port formed in the first end. A...
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5171538 |
Reagent supply system for a medical analytical instrument
A reagent supply system for a medical anlytical instrument includes a reagent space provided on the instrument and reagent vessels which are received in the reagent space. In the reagent space...
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5132233 |
Sample injection cell
The sample injection cell comprises a body and a bore through the body for receiving a probe to pass fluid sample into the bore. A transverse passageway into the body permits a diluent to enter the...
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5079959 |
Analyzing system using sheath flow of sample
Particles contained in a liquid sample are analyzed by moving the particles along a detection passage past a detector using a liquid flow in the detection passage. To reduce the time required for...
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5050425 |
Apparatus and method for measuring volatile constituents in earth samples
The disclosure is directed to an apparatus and method for measuring the presence of a volatile constituent of a sample of ground water or soil mixed with water. In an embodiment of the apparatus, a...
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4914966 |
Automated ultrasonic probe holder for a sample feeder
Apparatus for performing analysis of a slurry including solid particles of elements in a liquid suspension has a container for receiving a sample of the slurry to be analyzed, and a conveyor for...
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4890502 |
Sorbent tube trace sample releasing apparatus
A sorbent tube trace sample releasing apparatus comprises a tubular casing for connection at a downstream end to, say, a gas chromatograph, a spring loaded valve in the bore of the casing, a...
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4872353 |
Automatic sample feeder for suspended samples
An automatic sample feeder system for handling suspended samples is disclosed, and is particularly useful in connection with a sedimentation particle size analyzer. The system is capable of...
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4852414 |
Device for inserting and removing the sample in an analysis oven
In a device for inserting and removing the sample from an analysis oven, which has a transport rod (9) carried horizontally and for longitudinal displacement in a guiding member or carrier tube (3)...
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4794806 |
Automatic dilution system
A method of and apparatus for an automatic dilution system for providing a variable dilution of an unknown sample material, including a mixing chamber having at least one input and output, sample...
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4702115 |
Sample injection timer for chromatographic apparatus
A method and apparatus for detecting the injection of a solvent borne sample into the injector port of a chromatograph having a carrier gas flow path for pressurizing the port. The gas pressure in...
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4696183 |
Method and apparatus of flow analysis
A flow path in a flow analyzing apparatus is branched into two or more branch flow paths. In one of the branch flow paths, a flow path blockage detector and an electrolyte measuring electrode are...
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4634867 |
Introduction of samples into a mass spectrometer
The introduction of a sample into a mass spectrometer providing in one aspect a method which comprises placing the sample in a tube (16) open at only one end, placing around the tube (16) an O-ring...
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4634866 |
Introduction of samples into a mass spectrometer
A feed system for picking a sample tube off a magazine and introducing the sample tube into the inlet system of a mass spectrometer. The feed system comprises a pick-up tube (52) designed at its...
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4581583 |
Apparatus for sample selecting, placing and retrieving for use with NMR spectrometers
A sample selecting, positioning and retrieving mechanism embodies a carousel having preferably inner and outer concentric rows of cylindrical tubes placed vertically between parallel upper and...
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4558603 |
Needle assembly for introducing a carrier gas into a sample vessel
A needle is movable by a servomotor between a position of rest and an operating position in a stationary housing. The needle includes a tip and a first lateral opening close to the tip and a second...
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4476734 |
Wet needle sampler for use with a gas chromatograph
The flushing of the syringe with a side port is performed by introducing a liquid solvent through the side port while the plunger is retracted from the barrel. At the completion of the flushing...
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4351798 |
Analyzing apparatus for liquid samples
An analyzing apparatus for measuring samples of a liquid has feeding means for feeding the samples contained in sample containers to a subsequent sample conduit, the feeding means having a...
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4294117 |
Sample charger for a gas chromatograph
A sample charger for a gas chromatograph has a charging chamber constructed for connection to the separating column of the gas chromatograph and receives a sample container in the form of a tube by...
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4269608 |
Method and device for sample injection under controlled conditions of temperature profile into gas chromatographic columns
A method and device for sample injections into a gas chromatographic column, wherein, in order to achieve sample trapping and solvent effects, the injection zone and an initial portion of the...
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4221568 |
Sample processor for chemical analysis
An apparatus is provided which can process numerous samples that must be chemically analyzed by the application of fluids such as liquid reagents, solvents and purge gases, as well as the...
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4199988 |
Sampling apparatus for chromatographic instruments
Disclosed is a sample feeding apparatus having a housing defining first and second chambers sealed one from the other and a needle movable longitudinally with respect to the housing. The first and...
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4195665 |
Fluid valve
The fluid valve essentially comprises a support structure designed rotatably to support an inlet within a certain oscillatory ambit and stationarily supporting a plurality of outlets within the...
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4121634 |
Glass-sealed vessel opening device and method
A device for opening glass-sealed vessels in order either to recover a gas from or to introduce a gas into a vacuum system or other confined atmosphere comprises first vessel receiving means...
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4042303 |
Method and apparatus for automated sampling with an atomic absorption spectrometer
Method and apparatus for introducing a sample to be analyzed through an introduction aperture into a graphite tube of a graphite tube cell of an atomic absorption spectrometer, wherein a plurality...
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4035168 |
Nonreactive inlet splitter for gas chromatography and method
An inlet splitter apparatus and method for introducing substantially unreacted linear aliquots of vaporized sample and carrier gas to the capillary column of a capillary gas chromatograph. An...
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3985166 |
High-pressure sample injection for liquid chromatography
In a liquid chromatography apparatus, a stream of fluid flows at uninterruptedly high-pressure through a valve structure into a chromatographic column. The valve structure comprises an entrance...
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3950134 |
Assay machine and method
An apparatus for conducting chemical assays features a coiled soft plastic tube as a reaction chamber. Along the length of the plastic tubing is a slit therein through which a needle-like member of...
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