Analytical Services: High-Temperature Combustion

R.B. Fricioni and Loren Essig, Leco Corporation

General Use

- Determination of carbon and sulfur in metals and organics

Samples

- Form: Solids, chips, or powders

- Size: 1 g or less, depending on type of material

- Preparation: Bulk samples must be cut to prescribed size required for determination. Specimen should not be contaminated with carbon or sulfur before analysis

Limitations

- Specimen must be homogeneous

- Graphite-bearing specimens require special handling

- Method is destructive

Estimated Analysis Time

- Sample preparation: 2 to 3 min

- Analysis time: 40 s to 2 min

Capabilities

- Optical emission: Determination of total carbon and sulfur in metals

- X-ray fluorescence: Determination of sulfur in most metals


Reprinted with permission of ASM International®.

 

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