Description
A graphite hotplate is primarily used for heating samples in laboratory settings, particularly for applications like metal digestion in trace metal analysis, acid digestion, and other heating experiments due to its excellent heat conductivity and resistance to corrosion, often used in conjunction with specialized digestion vessels or blocks made of graphite as well.
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High thermal conductivity:
Graphite’s high thermal conductivity ensures even heat distribution across the heating surface, critical for accurate and consistent sample heating.
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Chemical resistance:
Graphite is often coated with a protective layer like PTFE to resist corrosive chemicals, making it suitable for acid digestion procedures.
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Trace metal analysis:
Due to its low metal content, graphite hotplates are often used in applications where minimizing contamination from the heating surface is crucial.
- Environmental analysis: Digesting environmental samples like soil or water to analyze trace metals.
- Food analysis: Analyzing heavy metals in food samples.
- Forensic analysis: Digesting biological samples for trace element analysis
- Chemical research: Conducting heating experiments with sensitive materials
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