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^®.

April 2, 2008 - Passivation featured in the latest edition of NHML's Nuts & Bolts
April 2, 2008 - Glass Vial Sprinkler Accidents featured in the latest edition of NHML's Nuts & Bolts
January 2008 - Passing of the hands - Tim Kenney, President/CEO acquired full ownership of New Hampshire Materials Laboratory on January 8, 2008. Senior Scientist, Fred Hochgraf remains an active participant here at NHML
January 18, 2008 - Important Customer Notice: For your convenience NHML now accepts American Express, Discover Card, MasterCard & Visa.
October 5, 2007 - Testing for Toxic Lead May Not Be Your Only Concern
May 21, 2007 - Embrittlement of Steels featured in NHML's Nuts&Bolts newsletter
December 20, 2006 - NHML launches new Web site
May 1, 2006 - Hydrolysis of Fiberglass featured in the latest edition of NHML's Nuts & Bolts

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