10 Questions to Ask Yourself for Successful DSC Use
And the Resources You Need to Answer Them!
Andy Malec | Jeffrey
Marvin
November 27, 2024
Differential Scanning Calorimetry is a thermal analysis technique commonly used to characterize materials across a broad array of applications including chemistry, biochemistry, pharmaceuticals, polymers, and more. Differential Scanning Calorimetry (DSC) measures the heat flow in a material as it is heated or cooled over a specified temperature range.
The heat flow of a material in response to temperature or chemical changes is critical to understanding suitability for specific applications. For example, a polymer’s transition temperatures will determine its operational range, and a pharmaceutical’s structure changes can impact its bioavailability, ideal processing conditions, and shelf life.
Reliable DSC data can make or break successful product development, processing, and performance. Learn how to avoid common mistakes and maximize the value of your DSC with these helpful tips and resources from TA Instruments.
1. Sample Type and
Measurement: What
information are you looking to
extract from sample testing?
DSC measures various properties,
including melting points,
crystallization, and glass
transitions. Define the specific
data you want to obtain before
setting up your test to select the
right conditions for optimal
results. Clear goals prevent
time-consuming re-analysis and
ensure meaningful insights aligned
with your research or production
requirements.
- Check the applications note library: /applications-notes/
- Watch the Theory & Applications Training (support plan required) /recorded-theory-applications-training/
2. Instrument Setup and
Maintenance: Have you
ensured proper installation and
maintenance of your instrument to
achieve optimal performance?
A well-maintained instrument is
essential for accuracy and
reliability. Issues like poor
calibration or residue buildup can
impact results, leading to costly
inaccuracies or misinterpretations.
Regular maintenance and calibration
protect your investment and ensure
data integrity. We recommend
touching base with your service
representative and reviewing
TechTips for best practices.
- Follow detailed calibration guides by clicking “Help” in TRIOS
- TechTip: Indium (cell constant/temp): https://www.youtube.com/watch?v=DlvTlRW0IHA
- TechTip: Reversing heat capacity: https://www.youtube.com/watch?v=EtHCrGyLd3g
- TechTip: Tzero (X3): https://www.youtube.com/watch?v=EtLVNDsFKLU
- Cleaning the DSC cell: https://www.youtube.com/watch?v=cclJXrbUICA
3. Advanced
Features: How can you
deepen your understanding of your
instrument and stay updated on the
latest technological
advancements?
Understanding the advanced features
on your instrument unlocks a
superior level of testing. TA
continuously adds new features and
software updates that improve
accuracy, efficiency, and data
interpretation. Follow TA on social
media and check our TechTips to stay
up to date on new capabilities and
updates.
- Learn about the latest DSC and TRIOS features at TATechTips: https://www.youtube.com/@TATechTips/videos
- Recent highlights: JSON Export (https://www.youtube.com/watch?v=RalJL-mHFlQ), EasyMass (https://www.youtube.com/watch?v=6qTrWZFZfsg)
4. Sample
Preparation: Are you
set up for success with optimal
sample preparation?
Proper sample preparation is
essential for reliable results,
preventing issues like sample
degradation or incomplete
transitions. Understanding sample
prep procedures reduces errors and
ensures that DSC data reflects true
material properties.
- Pan loading and crimping:
- Tzero hermetic (https://www.youtube.com/watch?v=YGxXuzCzQuw)
- Tzero (https://www.youtube.com/watch?v=-2xUfUp2je4)
- Helpful tools
- Powder Sample Prep tool: https://www.youtube.com/watch?v=X3Mh_ZZja98
- Sample Cutting Kit: https://www.youtube.com/watch?v=Daz1JvxARno
5. Experiment
Conditions: Have all
methods been considered to optimize
experiment conditions?
Different materials require
different experimental parameters.
For example, polymers or biological
samples may need tailored heating
rates or modulated DSC (MDSC) to
reveal detailed properties.
Optimizing conditions helps capture
comprehensive data, making sure your
DSC setup matches your analysis
goals.
- Learn about MDSC, the most powerful DSC tool for advanced analysis: App Note TP006 /pdf/literature/TP_006_MDSC_num_1_MDSC.pdf
- Optimize MDSC: (/pdf/literature/TP_008_MDSC_num_3_Optimization_of_Experimental_Conditions.pdf)
- Recorded theory and apps training (above) for full training
6. Interpreting Complex
Events: Are you
prepared to confidently manage
complex and overlapping
events?
Complex thermal events, like
overlapping transitions or
reactions, can be challenging to
interpret. MDSC and other advanced
DSC techniques help distinguish
these events, giving clearer
insights.
- App note (“Using Modulated DSC® (MDSC®) to Separate an Enthalpic Recovery from a Glass Transition”): /pdf/literature/TA433.pdf
- App note (“Characterization of an Epoxy Resin Compound by MDSC®”): /applications-notes/characterization-of-an-epoxy-resin-compound-by-mdsc/
- App notes, polymer blends:
7. Data analysis:
Have you explored all the shortcuts
and automations TRIOS offers to
enhance your efficiency?
TRIOS software offers tools that can
simplify data analysis, like batch
processing or automated transition
detection, which can save time and
reduce errors. Leveraging these
features streamlines workflows,
enabling more consistent data
processing.
- TRIOS Intelligent Analysis: https://www.youtube.com/watch?v=BuHxJLP-W24
- TRIOS batch processing: https://www.youtube.com/watch?v=WHPljulYH3w
8. Analyzing transition
data: Are you prepared
to analyze and adapt to unexpected
events and transitions?
DSC data can reveal unexpected
thermal events, such as impurities
or new phase transitions. Being
equipped to recognize and interpret
these allows for better
understanding of the material and
prevents oversight of critical data.
- App note (“Interpreting Unexpected Events and Transitions in DSC Results”): /pdf/literature/TA039.pdf
9. Avoiding sample
degradation: Have you
taken all the necessary steps to
prevent sample degradation?
Sample degradation can skew DSC
data, making results unreliable.
Following protocols, like
controlling upper temperature limits
and cleaning the instrument, helps
avoid this issue and prevents
inaccurate results.
- Cleaning: https://www.youtube.com/watch?v=cclJXrbUICA
- Help with selecting an upper temperature limit: DSC Guided Method includes auto-analysis of TGA data (https://www.youtube.com/watch?v=VY8Ar6bTUh4)
10. Training: Have
you made the most of the available
training opportunities?
TA Instruments offers numerous
training courses ranging from DSC
fundamentals to advanced
applications throughout the year.
Proper training empowers users to
get the best results and
troubleshoot issues independently.
Taking advantage of training
opportunities ensures you will get
the most out of your DSC.
- Free In-Person Training Seminars (TA Instruments Headquarters: New Castle, DE) /usa-training-schedule/
- Worldwide course schedule: /course-schedule/
- Virtual Training: /virtual-training/
- /recorded-theory-applications-training/ is an excellent starting point for a strong foundation of practical and theoretical DSC knowledge
- TRIOS Software Training Guide: https://www.youtube.com/watch?v=pxaRNQKbsWc
Other Resources
- Application Note – TA Instruments Discovery DSC X3®: Three-fold Improvement in the Efficiency of the Nonisothermal Crystallization Kinetics Experiment
- Application Note – Semi-Crystalline Thermoplastic Analysis Using the Discovery X3 DSC
- Application Note – DSC Analysis of a Polyhydroxybutyrate (PHB) with Wood Flour
- Webinar – DSC Characterization of Crystalline Structure in Foods and Pharmaceuticals
- Blog – What is Differential Scanning Calorimetry?
- Instruments – Differential Scanning Calorimeters







