Inert Gas Fusion

Inert gas fusion is a measurement technique that is used in the determination of hydrogen, oxygen, or nitrogen from solid metallic materials such as copper, steel,^[1] or titanium. The system consists of a crucible, in which small flakes or chips of the sample (around 1g) are placed, which are then heated to high temperatures.

During heating, the outgassed materials react with the carbon crucible to produce compounds such as CO or CO2 that are entrained into the carrier gas stream and can be measured separately, such as via IR spectroscopy^[2]

References

↑ Merkle, E.J (1974). "Comparison of inert-gas-fusion and modified Kjeldahl techniques for determination of nitrogen in niobium alloys".
↑ "836 Series elemental analyser". Missing or empty |url= (help)

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[1] Merkle, E.J (1974). "Comparison of inert-gas-fusion and modified Kjeldahl techniques for determination of nitrogen in niobium alloys".

[2] "836 Series elemental analyser". Missing or empty |url= (help)

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