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7591169 |
Measuring instrument for gravimetric moisture determination
A measuring instrument for gravimetric moisture determination of a sample includes a radiator, a weighing cell, and a sample receiver which can be connected to the weighing cell. The sample...
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7581876 |
Dual energy source loss-on-drying instrument
An instrument and associated method are disclosed for the loss-on-drying determination of the volatile content of a wide variety of samples. The instrument includes a cavity in which a sample for...
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7500779 |
Thermal analysis apparatus
A thermal analysis apparatus possesses has a cylindrical furnace tube axially inserted in a cylindrical heating furnace, and a pair of sample holders extending axially inside the furnace tube. The...
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7416328 |
System and method for a thermogravimetric analyzer having improved dynamic weight baseline
Systems and methods for minimizing extraneous forces and calculating corrected weights of samples based on buoyancy factors for a thermogravimetric analyzer (TGA). The TGA includes a balance...
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7404670 |
Analytical furnace with predictive temperature control
An analytical furnace includes a predictive temperature control which is trained to model crucible temperature during analysis by employing a pair of temperature sensors, with one sensor being...
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7329389 |
Sensor device and method for qualitative and quantitative analysis of gas phase substances
New sensors and methods for qualitative and quantitative analysis of multiple gaseous substances simultaneously with both high selectivity and high sensitivity are provided. The new sensors rely on...
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7273316 |
Device and method for thermogravimetrically testing the behavior of a solid material
A method for thermogravimetrically testing the behavior of a solid material in the presence of a controlled gaseous atmosphere, characterized in that a plurality of samples ( 10 ) are placed in the...
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7137734 |
Device for measuring quantities of heat while simultaneously measuring the evaporation kinetics and/or condensation kinetics of the most minute amounts of liquid in order to determine thermodynamic parameters
The invention relates to a device for measuring quantities of heat while simultaneously measuring the evaporation kinetics and/or condensation kinetics of the most minute amounts of liquid in order...
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7097352 |
Instrument material holder and method of fabrication thereof
A holder for materials for use in a measuring instrument includes a three-piece housing consisting of an upper housing member, an intermediate housing member and a lower housing member, the...
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7059768 |
Standards for the calibration of a vacuum thermogravimetric analyzer for determination of vapor pressures of compounds
The invention provides a set of standards for accurately calibrating a vacuum thermogravimetric analyzer (VTGA). The invention solves the problem of calibrating a VTGA by using the actual magnetic...
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7048435 |
Humidity-controlled chamber for a thermogravimetric instrument
Embodiments of the present invention relate to apparatus, systems and methods for adding a humidity-controlled system to a thermogravimetric instrument. A humidity-controlled chamber incorporates a...
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6903281 |
Method and apparatus for reducing error when measuring minute quantities of weight
The invention relates to an instrument and method for measuring minute quantities of weight, including a pan for holding a sample to be weighed, a chamber for forming an enclosure about the pan,...
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6885964 |
Method and apparatus for thermal analysis
In a method and an apparatus for thermal analysis, a target region is divided by dividing the geometry of the target object of the thermal analysis into a finite number of finite elements or cells....
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6871998 |
Method for calibrating a vacuum thermogravimetric analyzer for determination of vapor pressures of compounds
The invention provides a method for accurately calibrating a vacuum thermogravimetric analyzer (VTGA). The invention solves the problem of calibrating a VTGA by using the actual magnetic...
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6860632 |
Instrument material holder and method of fabrication thereof
A housing for a material holder includes an intermediate housing member having a generally horizontal member, an upper recess and a lower recess, an upper housing member having a generally...
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6840668 |
Thermogravimetrical analyzer autosampler sealed sample pan
The present invention relates to apparatus, systems, and methods for opening an autosampler sealed sample pan prior to TGA testing. The sealed sample pan comprises a pan, cover, and bail. A notch...
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6709153 |
Thermogravimetry apparatus
In order to provide means for suppressing vibration of a balance arm of a thermogravity apparatus when changing a sample at low cost and with a minimal footprint, there is therefore provided a...
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6616330 |
Automatic humidity step control thermal analysis apparatus
An automatic humidity step control thermal analysis apparatus has a detector for detecting and measuring a physical property of a sample and for generating a physical property signal corresponding...
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6468438 |
Method of fabricating a substrate
In a method of fabricating a substrate, a substrate is submerged into a chemical bath so that the thickness of the substrate changes. The temperature of the chemical bath is monitored to ascertain...
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6467950 |
Device and method to measure mass loss rate of an electrically heated sample
A device and a method for measuring the mass loss rate of a sample of combustible material placed on a mass-sensitive platform. The material has been formed into a block through which a heating...
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6464391 |
Heat release rate calorimeter for milligram samples
A calorimeter that measures heat release rates of very small samples (on the order of one to 10 milligrams) without the need to separately and simultaneously measure the mass loss rate of the...
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6402370 |
Thermal analysis apparatus
A thermal analyzer is capable of separating a baseline component, a convex peak component and a concave peak component. During concave peak separation, arithmetic symbol inversion is performed by...
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6382830 |
Method for determining the qualitative composition of the organic soil substance of mineral soils
The invention relates to a method of determining the qualitative composition of soil organic matter (SOM) of mineral soils using thermogravimetry, i.e., by subjecting a soil sample of constant...
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6354732 |
Temperature calibration for a thermogravimetric analyzer
An apparatus and method for the temperature calibration of a thermogravimetric analyzer. The apparatus includes a crucible, a weight, and a corresponding metal foil. The metal foil supports the...
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6347884 |
Method and device for determining the stability of a water-hydrocarbon emulsion
The invention concerns a method and device for determining the temperature stability of a water-hydrocarbon emulsion capable of phase separation by monitoring the weight variations of a gravimetric...
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6336741 |
Method and apparatus of modulated-temperature thermogravimetry
A method for controlling a thermogravimetry experiment and for quantitatively determining kinetic constants for decomposition or volatilization reactions using periodic forcing (modulated)...
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6331683 |
Drying balance with temperature calibration disk
In a drying balance with a balance pan (3) which rests removably on the load receiver (2) of a weighing system, a radiation source (19) for warming and drying a substance on the balance pan (3),...
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6302577 |
Microwave apparatus and method for achieving accurate weight measurements
The invention is an apparatus and method for obtaining accurate sample weight measurements during sample heating within a heating cavity by substantially reducing the convection currents that...
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6279387 |
Moisture meter, electronic weighing machine for moisture meter, filter for moisture meter, and moisture adsorption unit for moisture meter
An electronic weighing machine for a moisture meter not only measures the amount of moisture in the test sample, but also measures the mass of the test sample itself. In addition, the present...
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6275750 |
Apparatus for setting heating condition in heating furnace and thermal analyzer for object to be heated in heating furnace
The present invention relates to a method and apparatus for setting heating conditions in a heating furnace wherein a temperature distribution of an object to be heated is measured required minimum...
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6268570 |
Method for correcting weight measurement errors during microwave heating
The invention is a method of measuring an apparent weight of a substance, while concurrently measuring a surface temperature of the substance and an ambient air temperature surrounding the...
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6257757 |
Thermal analysis apparatus
A gas-tight container such as a glove box maintains a sample under a controlled atmosphere and has a sample chamber formed in a convex portion thereof. The temperature is controlled in the sample...
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6255603 |
Drying scale with moveable radiating source and a method performed by the drying scale
A drying scale is provided that contains a housing, a weighing system, a scale pan, a carriage, and a radiating source. The weighing system is disposed within the housing for weighing a sample, and...
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6250799 |
Thermal analyzing apparatus
An integral structure is formed having a downstream opening portion of the first furnace tube joined with a second cylindrical furnace tube side face. A structure is provided by a light...
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6238085 |
Differential thermal analysis sensor
A sensor having an active sensing material exposed to the substance to be detected and an active reference material that is shielded from the substance to be detected. Thermocouples having a set of...
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6227041 |
Method and apparatus for measuring volatile content
A method and associated apparatus are disclosed for measuring volatile content of samples that are particularly suitable for samples that tend to bum when heated. The method includes the steps of...
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6057516 |
Thermogravimetric instrument
A thermogravimetric instrument for measuring variations in the weight of a sample caused by temperature variations of the sample. The instrument is equipped with a stopper mechanism for protecting...
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5983711 |
Temperature controlled gravimetric moisture analyzer and method therefor
A temperature controlled gravimetric moisture analyzer (20) is used to control the temperature of a sample material (24) while determining moisture content of the sample material (24). The moisture...
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5981290 |
Microscale combustion calorimeter
A calorimeter for measuring flammability parameters of materials using only milligram sample quantities. The thermochemical and thermophysical processes associated with the flaming combustion of...
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5957580 |
Method for judging applicability of ink-containing medium within ink cartridge
A method is provided for judging whether an ink-containing medium which is used for absorbing an ink is applicable to an ink cartridge. The method includes steps of (a) getting a first value A of a...
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5826983 |
Thermomechanical analyzer equipped with a thermogravimetry function
A thermomechanical analyzer capable of performing, in addition to thermomechanical measurement, thermogravimetry of a sample of several grams or more only by switching parts of the analyzer. A...
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5801337 |
Method of and apparatus for compensating for load/environment temperature differential-induced measured load weight error
A method of compensating for load/environment temperature differential-induced measured load weight error comprises the steps of: providing a load having a load temperature T L ; providing an...
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5669554 |
Humidity control thermal analyzer
The humidity of the atmosphere contacting a sample and the water vapor partial pressure are program controlled and measured in a device having: a sample chamber which is provided with an inlet and...
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5588746 |
Apparatus for thermal analysis
In order to carry out thermal analysis under various kinds of atmospheres, there is provided an apparatus for thermal analysis containing a sample chamber having a portion for a sample and a signal...
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5499532 |
Aquameter
A device for measuring the moisture content of a moisture-containing sample, which includes an electronic balance for measuring the weight of an airtight sample holder containing the sample and...
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5493078 |
Electronic balance and its application to a thermal analyzer
An electronic balance provided with a correcting circuit for canceling a thermal drift in the output of a photoreceiver. The photoreceiver is composed of two photosensitive areas and the shadow of...
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5466066 |
Thermogravimetric apparatus with a balance arm vibrating function
In a thermogravimetric apparatus which is composed of a balance-arm 1, a detector 2 for detecting an amount of deviation of the balance-arm 1, a control circuit 3 for controlling equilibrium of the...
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5402672 |
Microwave oven moisture analyzer
A microwave oven moisture analyzer is provided with an analysis chamber using a V-shaped structure wherein the wings extend from a vertical back wall forwardly and outwardly to the side walls of...
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5368391 |
Method and apparatus for high resolution analysis
The present invention relates to analytical methods for determining the composition of a material that undergoes a transition as a function of a driving variable. As applied to thermogravimetric...
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5321719 |
Thermogravimetric apparatus
The present invention is a thermogravimetric instrument having a ceramic sample support and a ceramic balance beam. The ceramic platform is rigidly attached to the hot end of the ceramic balance...
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