thermobalance


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thermobalance

[¦thər·mō′bal·əns]
(analytical chemistry)
An analytical balance modified for thermogravimetric analysis, involving the measurement of weight changes associated with the transformations of matter when heated.
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Thermobalance is the stability attained between the heat produced and heat given off by living organism and this is at its maximal physiological level within the thermoneutral range of any given specie.
This formula defines thermobalance between armature and collector, allowing to use initial data--heat flow rates of armature and collector, via values of their average temperatures.
Activity of NiCuAl catalyst in methane decomposition studied using a thermobalance and the structural changes in the Ni and the deposited carbon".
NETZSCH Instruments demonstrated at Pittcon the coupling of a simultaneous thermobalance (ther-mogravimetric analyzer-TGA or TGA-DSC) to a GCMS.
Thermogravimetric analysis (TGA) and differential thermal analysis (DTA) were carried out as simultaneously thermal analysis (STA) on a SETARAM TGA 92 thermobalance, under argon atmosphere (3 l/h) between [approximately equal to]20 [degrees]C and 1000 [degrees]C, with a heating rate of 10 [degrees]C/min.
The isothermal oxidation kinetics of coated and bare steel specimens were carried out at 1250[degrees]C for 9 h in air under atmospheric pressure, using a thermobalance (RZ, Louyang Precondar, China) which was equipped with a continuous weighing capacity of 500 g, sensitivity of 1 [micro]g, and date recorded every 60 s.
Thermobalance is the equilibrium between the heat produced and the heat given out by living organism, and this is at its maximal physiological level within the thermoneutral range of any given specie.
The thermograms were obtained on a thermobalance "Metler TA-4000 system" at a heating rate of 10 deg.
Thermogravimetric analyses (TG) were carried out in a Mettler Toledo TG 50 type thermobalance under dynamic heating conditions (20[degrees]C/min heating rate) under nitrogen gas flow (20 ml/min).
Cylindrical speci mens (approximately 15 mg) were accommodated in a thermobalance model TGA-50 (Shimadzu, Tokyo, Japan), in the temperature range of 25 to 900[degrees]C, under dynamic nitrogen atmosphere (50 ml/min), heating rate of 10[degrees]C/min, using platinum crucibles.
2] concentration on sulphation conversion were determined in a thermobalance reactor and XRD and SEM-EDX are used for the analysis of sulphated ash.