STA 449 F3 Nevio

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The simultaneous thermal analyzer NETZSCH STA 449 F3 Nevio allows the measurement of mass changes and thermal effects under identical conditions at the same specimen.

Thus it makes it feasible to differentiate between e.g., structural changes and degradation phenomena within just one measurement up to 675°C¹. The high flexibility caused by the various sensors, the great variety of sample crucibles and the wide TGA-measuring range make the system applicable for analysis of different kinds of pharmaceuticals, cosmetic samples or food including also inhomogenous substances. The vacuum-tight design of the instrument is an essential requirement for evolved gas analysis, i.e., the coupling of the thermal analyzer to a gas analyzing system such as FT-IR, MS or GC-MS.

Various furnaces, easy interchangeable by the user, cover a very broad temperature range (please see accessories). In addition, due to its modular setup the STA 449 F3 Nevio is also prepared to investigate samples under defined humid atmosphere. The analysis of measuring data runs under a standard PC and the innovative NETZSCH Proteus software.

^1⁾optimized temperature range for pharmacy, cosmetics and foodstuffs; depending on the selected furnaces: total temperature range: -150°C up to 2400°C

Technical Data

Temperature range

-120°C to 675°C ¹⁾

max. heating and cooling rates

50 K/min

max. measuring and weighing range

35000 mg ²⁾ /± 250 mW ³⁾

Enthalpy accuracy:
± 1 ... 3 %

TG resolution:
0.1 µg (over entire weighing range)

Cooling options:
compressed air (<0°C to 675°C ¹⁾), liquid nitrogen (-150°C to 675°C ¹⁾)

Atmospheres:
inert, oxidizing, reducing (forming gas), humid, vacuum, static, dynamic

Vacuum-tight:
Yes

¹⁾ optimized temperature range for pharmacy, cosmetics and foodstuffs; depending on the selected furnaces: total temperature range: -150°C up to 2400°C

²⁾ minus weight of crucible

³⁾for thermocouple type E

Type	Temperature range	Cooling system
Silver furnace	-120°C to 675°C	liquid nitrogen
Copper furnace	-150°C to 500°C	liquid nitrogen
Steel furnace	-150°C to 1000°C	liquid nitrogen
Platinum furnace	RT to 1500°C	forced air
Silicon carbide furnace	RT to 1600°C	forced air
Rhodium furnace	RT to 1650°C	forced air
Graphite furnace	RT to 2000°C	tap or chilled water
Water vapor furnace	RT to 1250°C	forced air
High-speed furnace	RT to 1250°C	forced air
Tungsten furnace	RT to 2400°C	tap or chilled water

The STA 449 F3 Nevio runs under Proteus Software on Windows®. Through the combination of easy-to-understand menus and automated routines, a tool has been created that is extremely user-friendly and, at the same time, allows sophisticated analysis. The Proteus software is licensed with the instrument and can of course be installed on other computer systems.

Features concerning TGA plus DSC:

Proteus Protect (option) - meeting the requirements of 21 CFR Part 11 and EU Annex 11
AutoEvaluation - autonomous and user-independent evaluation of thermal effects
Identify (option) - curve recognition and database system for library search purpose
SuperPosition - Simulation of the thermal behavior of physical mixtures by overlapping the curves of the mixture components incl. freely selectable mass ratios
Average curves - absolute (taking the sample masses of the various measurement s into account) or relative (applies just the number of measurements as denominator)
Report generator - based on a Microsoft Word plug-in each operator can easily create his own report template for reports – including logos, tables, description fields and plots.

TGA-specific evaluation features:

Mass changes in wt% or mg
Determination of residual mass
Extrapolated onset and end temperatures
Peak temperatures of the 1^stand 2^nd derivative of the mass-change curve
Automatic baseline and buoyancy correction
c-DTA for calculated DTA signal with evaluation of characteristic temperatures and the peak area (optional for TGA measurements)

DSC-specific evaluation features:

Determination of onset, peak, inflection and end temperatures
Transformation enthalpies:
Analysis of peak areas (enthalpies) with selectable baseline and partial peak area analysis
Enthalpy determination allowing for mass changes
Complex peak analysis with all characteristic temperatures, area, peak height and half-width
Comprehensive analysis of glass transitions
Automatic baseline correction
Degree of crystallinity
OIT (oxidative induction time) evaluation
Specific heat capacity (optional)

Determination of the DSC conversion curve (in %) related to a partial peak area evaluation of a melting effect

TM-DSC module software extension for temperature-modulated DSC tests (optional)
Lissajous diagram for TM-DSC curves (optional)
Purity Determination (optional)

Crucibles (Pans) Made of Aluminum for the STA 449 F3 Nevio

Material (Purity)	Temperature Range	Consisting of	Dimension/ Volume	Remarks	Order Number
Al (99.5%)	Max. 600°C	Crucible + lid	ø 6 mm / 25/40 μl	Set of 100, cold weldable*	6.239.2-64.5.00
Al (99.5%)	Max. 600°C	Crucible + lid	ø 6 mm / 25/40 μl	Set of 500, cold weldable*	6.239.2-64.51.00
Al (99.5%)	Max. 600°C	Crucible + punched lid (0.05mm)	ø 6 mm / 40 μl	Set of 100, cold weldable*	6.239.2-64.8.00
Al (99.5%)	Max. 600°C	Crucible + punched lid (0.05mm)	ø 6 mm / 40 μl	Set of 500, cold weldable*	6.239.2-64.81.00
Al (99.5%)	Max. 600°C	Crucible	ø 6.7 mm / 85 μl	Set of 100 pieces, non-weldable	NGB810405
Al (99.5%)	Max. 600°C	Lid		Set of 100 pieces, for NGB810405	NGB810406

* Please note: One and the same sealing press is capable of sealing all the Al crucibles (pan + lid), order no. 6.240.10-80.0.00A

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