STA 449 F3 Nevio

STA 449 F3 Nevio

Specialized for Demanding Tasks in Research & Development

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 mesurement 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 anlyzer 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 investigte samples under defined humid atmsophere.

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


Key Technical Data

Key Technical Data

(subject to change)

  • Temperature range:
    -120°C to 675°C1
  • max. Heating and cooling rates:
    50 K/min
  • max. Measuring and Weighing range:
    35000 mg2/± 250 mW3
  • Enthalpy accuracy:
    ± 1 ... 3 %
  • TG resolution:
    0.1 µg (over entire weighing range)
  • Cooling options:
    compressed air (<0°C to 675°C1), liquid nitrogen (-150°C to 675°C1)
  • 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

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TypeTemperature rangeCooling system
Silver furnace-120°C to 675°Cliquid nitrogen
Copper furnace-150°C to 500°Cliquid nitrogen
Steel furnace -150°C to 1000°Cliquid nitrogen
Platinum furnaceRT to 1500°Cforced air
Silicon carbide furnaceRT to 1600°Cforced air
Rhodium furnaceRT to 1650°Cforced air
Graphite furnaceRT to 2000°Ctap or chilled water
Water vapor furnaceRT to 1250°Cforced air
High-speed furnaceRT to 1250°Cforced air
Tungsten furnaceRT to 2400°Ctap or chilled water

Software

Software

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 1st and 2nd 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)


You can use the following software with this product:

Proteus® Software, Advanced Software

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)


Accessories

Accessories

Different sample properties need different crucible materials/types. Therefore, a variety of sample crucibles (pans) made of alumina, platinum, aluminum, graphite, fused silica, etc. is available in different sizes.

Specific Furnaces for Specific Tasks

Due to its modular concept the STA can be equipped with standard furnaces for various temperature ranges but also with special furnaces - either alone or in combination by using a double hoisting device.

For TGA measurements under defined relative humidity the copper furnace plus the humidity generator can be applied. Regarding higher water concentrations (up to 100% water vapor) it is possible to use the water vapor furnace in combination with the water vapor generator.

The high speed furnace which can realize heating rates up to 1000 K/min is designed for TGA experiments as well.

ASC - for Continous Operation

The automatic sample changer works day and night, giving you time for other tasks, and provides for optimal use of the STA 449 F3 Nevio (e.g. calibrations on the weekend).

A carousel is available for up to 20 sample and reference crucibles (pans) which can be automatically run in any order. The controlled generation of the required gas atmosphere in the sample chamber and cooling are automatic.

Of course, each sample can be assigned an individual measurement and evaluation procedure.

PulseTA®

With the PulseTA® technique an exactly defined quantity of gas is injected to the purge gas of the thermobalance (TGA) or the simultaneous thermal analysis instrument (STA).

This clearly increases the measuring possibilities:

  • Defined/incremental chemical reactions or adsorption of the injection gas with the sample
  • Quantification of gases evolved from the sample.
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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

Literature

Literature

Application literature

Poster

Accessories Catalogue

Webcast

Brochure

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