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Dry Chemistry Lab

This lab is also known as our sample preparation lab. It houses sample preparation equipment, chemical storage and additional testing equipment. We often grind or finish our stone samples using automated polishing equipment.

Soiltest Versa Tester

Soiltest Versa Tester

James Guidry and Eric Broaddus are running a 3-point bend test on a sample using the Soiltest Versa Tester with Digital Load Cells.
(Photo: Unknown)

NCPTT has the capability of testing the mechanical properties of stones before and after stone strengthening is applied by using equipment like the Soiltest Versatester.The lab is also being used in the American Cemetery Project. Stone cleansing tests and conservation efforts are conducted here.

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Email: ncptt@nps.gov
Phone: (318) 356-7444 · Fax: (318) 356-9119
NCPTT - National Center for Preservation Technology and Training
645 University Parkway
Natchitoches, LA 71457

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