STA/GC-MS
STA–Gas Chromatography Mass Spectrometry Measurement System
Compatible with mass spectrometers (MS) and GC-MS systems from all major manufacturers
This setup allows not only the detection of mass changes during heating, but also high-sensitivity acquisition of chemical reaction information that is often difficult to obtain from thermal analysis alone. It is an indispensable tool for supporting new material development, process optimization, quality control, and fundamental research. Measurements under water vapor atmosphere are also supported.
Note:
- The appearance may vary depending on the GC-MS model and product updates.
- The upper cover of the GC must be removed during installation.

STA/GC-MS Overview
■ Innovative evolved gas collection mechanism
Collects gases directly from near the sample while minimizing background levels of water and air.
■ Rich simulation functions and accurate temperature information
Offers wide flexibility in measurement conditions—heating, atmosphere, and sample amount—while providing accurate sample temperature information. Mass change data from STA and chemical reaction data from GC-MS can be obtained simultaneously, allowing in-situ (on-site) observation of reaction progress.
STA/GC-MS Features
STA/GC-MS Specifications
STA unit | Thermo plus EVO3 STAvesta | |
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Model name | Model name MASS-IF/D | |
Connection | Direct connection | |
Measurement mode | TG-MS mode | |
Transfer tube | Transfer tube Inert-coated capillary tube with temperature retention heater, 1280 mm | |
Interface temperature Up to 350°C | Up to 350°C | |
Measurement atmosphere | He | |
Compatible furnace | Standard (S), High temperature (H), Indirect heated (B), Sample observation (C) | |
Options | Automatic sample changer (Sample: 52, reference: 3, calibration sample: 5) ASC safety cover |
|
Power requirements | 1Ø, AC100 V, 50/60 Hz, 15 A |
STA/GC-MS Options
The following accessories are available for this product:
ASC for STAvesta
Optional ASC (Auto Sample Changer) for greater throughput Upgradeable with ASC for automated measurements
STAvesta ASC Safety cover
The ASC safety cover is designed to reduce mechanical hazards associated with the automatic sample changer (ASC).
Gas Selector
Links to the measurement program and switches the gases flowing into the sample chamber.
Flow Meter
The flow meter controls the flow rate of the atmospheric gas (inert gas, air, etc.) supplied to the sample chamber.
Sample Pan
Depending on the sample to be measured (especially if the sample is metal), it may melt the sample pan and damage the sample holder or other parts of the instrument.
STA/GC-MS Application Notes
The following application notes are relevant to this product
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B-TA2042 - Thermal Stability of Polyethylene Glycol Studied by TG-MS
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B-TA2007 - TG-MS of Tobacco: Part 2
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B-TA2006 - TG-MS of Tobacco: Part 1
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B-TA2028 - Thermal Decomposition of Nitrile Gloves by Sample Observation STA-MS
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B-TA2009 - TG-MS of Anode Active Material forLithium-ion Batteries
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B-TA2019 - TG-MS Analysis of Apatite-1
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B-TA2032 - Qualitative Analysis of Biopolymer in Humidity Atmosphere by HUM-STA-MS
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B-TA2027 - Evolved Gas Analysis of Polyacetal
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B-TA2025 - Evolved Gas Analysis in Edible Oil by STA-MS
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B-TA2024 - Evaluation of Perovskite Solar Cell Material by Sample observation TG-MS

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