thermogravimetric analysis

TG 209 F1 Libra®

The vacuum-tight thermo-microbalance for highest demands 

Faster and more comprehensive characterization of materials

Based on over 50 years of experience in thermogravimetry, NETZSCH has developed the thermobalance TG 209 F1 Libra®®. This instrument allows for analyses to be carried out even faster, more accurately, and across an extended temperature range.

Twice as fast by means of BeFlat®®

In contrast with other thermobalances, no time-consuming baseline determinations need normally to be carried out with the TG 209 F1 Libra®® prior to a measurement. The unique BeFlat®® function of the Libra®® automatically compensates for any external factors influencing the measurement. This cuts work hours by up to 50%, leaving more time available, for example, for further measurements.

20 times faster due to high heating rates

The heart of the TG 209 F1 Libra®® is the micro furnace made of high-performance ceramics. It not only allows for a wider sample temperature range of up to 1100°C, but also for heating rates of up to 200 K/min. The user can thus receive the results of the analysis – even at highest temperature – within a few minutes, i.e. 20 times faster than for other thermobalances.

More comprehensive and faster characterization by patented c-DTA®

With the TG 209 F1 Libra®®, the sample temperature is measured directly. Endo- and ExothermicA sample transition or a reaction is exothermic if heat is generated.exothermal reactions can now be detected and show, for example, the Melting Temperatures and EnthalpiesThe enthalpy of fusion of a substance, also known as latent heat, is a measure of the energy input, typically heat, which is necessary to convert a substance from solid to liquid state. The melting point of a substance is the temperature at which it changes state from solid (crystalline) to liquid (isotropic melt).melting point of the sample, in the evaluation. This yields considerably more information on the sample behavior without having to carry out further measurements.

High-performance ceramics for a long lifespan

The lifespan of the new, especially designed ceramic furnace – even when investigating materials containing corrosive components – is many times longer than that of conventional thermobalances. The analysis of fluorinated or chlorinated polymers is therefore no problem. The reaction and purge gases flow in the natural, vertical direction. Condensation on measure-relevant components (sample holders) can therefore be excluded. This not only is gentle on the material, but also prevents occurrence of the dreaded memory effect which can distort subsequent measurements in conventional systems.

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Technical Data

Temperature range
RT to 1100°C at the sample
Max. furnace temperature
>1100°C
Heating and cooling rates
0.001 K/min to 200 K/min

Cooling time:
12 min (1100°C to 100°C)

Wide measuring range:
2000 mg

Resolution:
0.1 µg

Sample crucible volume:
up to 350 µl

Atmospheres:
inert, oxidizing, reducing, static, dynamic

Vacuum-tight assembly:
up to 10-2 mbar (1 Pa)

Product Information

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Videos

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Thermogravimetric Analysis Sample Setup and Run with the NETZSCH TG 209 F1 Libra®® 

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TGA-FT-IR Sample Setup and Evolved Gas Analysis The PERSEUS®®®® TG 209 F1 Libra®® 

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