Avonix Imaging
Jeff Diehm and Brian Ruether have spent many years in the industry, gaining expertise in industri……...
TA Instruments provides users with three new high pressure thermogravimetric (HP-TGA) instruments — the Discovery HP-TGA 75, HP-TGA 750and HP-TGA 7500. From the world leader in Magnetic Suspension Balance (MSB) technologywith more than two decades of experiencecomes an easy-to-use, ingeniously designed top-loading microbalance with unparalleled performance.
The Discovery HP-TGA’s are considered to be the first available in a comfortable benchtop design and feature on-board gas and steam dosing and blending systems, temperature control to 1100 °C, One-Touch-Away™ functionalityand TA’s strong TRIOS software. It has never been easier to obtain high-pressure data.
Features and Benefits
Patented* top-loading magnetic levitation balance allows a sealed environment for thermogravimetric testing in reactive atmospheres under high temperatures (up to 1100 °C) and high pressure (up to 80 bar).
Combined gas and steam dosing and pressure control removes the requirement for a separate system and allows a small footprint
Unparalleled 0.1 μg balance resolution offers the most precise measurements of small samples or materials with quick reaction kinetics
Top-loading balance design guarantees excellent weight stability at high temperature and pressure and offers comfortable access to samples for simple loading or unloading
Highly precise balance temperature control for improved baseline stability
Curie-point calibration removes the effects of the reaction gas type and pressure on the temperature measurement
The small design puts high pressure TGA on the benchtop, reducing valuable laboratory space needs and allowing installation in a fume hood to easily control ventilation when working with hazardous gases
The small internal volume enables quick gas changes and quick pressurization, low gas consumption, and safe operating conditions as a result of the small quantity of compressed gas
High heating and cooling rates (~200 K/min**), even under high pressure, decreases the potential for undesired side reactions and enhances sample throughput
Non-porous isolation material in contact with the reaction gas inside the furnace removes potential retention of gases (“memory” effect) and allows quick attainment of vacuum
* European Patent: 1958323, U.S. Patent: 2009/0160279 Al, German Patent : DE 10 2015 116 767.0** Cooling rates > 250 K per minute at sample temperatures T ≥ 800 °C
Specifications
Source: TA Instruments
Model | Max Sample Temperature | Max. Heating andCooling Rate | Pressure Range | Weighing Resolution | Mass Range | Reaction Atmosphere |
---|---|---|---|---|---|---|
HP-TGA 75 | 1100 °C* | 200 K/min | Vac – 80 bar | 0.1 µg | 500 mg | Pure Gas (select 1 of 3) |
HP-TGA 750 | 1100 °C* | 200 K/min | Vac – 80 bar | 0.1 µg | 500 mg | Pure Gas and Gas Blends (of 3 Gases) |
HP-TGA 7500 | 1100 °C* | 200 K/min | Vac – 80 bar | 0.1 µg | 500 mg | Pure Gas, Gas Blends and Gas & Steam Blends (of 3 Gases and 1 Steam) |
* Maximum temperature obtained with N2 and other reaction gases with similar heat conductivity
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