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Lab Services: Soil testing

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Test Method Title

Standard Test Method for Rapid Determination of Carbonate Content of Soils

Reference Number

ASTM D4373

Material

Soil

Test Property

Calcium Carbonate Content

Description of Test

This test method is used to determine the presence and quantity of calcium carbonate in a soil specimen. Calcium carbonates are known cementing agents, are water soluble at pH<7, and are soft on the Mohs scale compared to other soil minerals. The calcium carbonate content of soil is determined by treating a 1-g dried soil specimen with hydrochloric acid (HCL) in an enclosed reactor vessel. Carbon dioxide gas is evolved during he reaction between the acid and carbonate fraction of the specimen. The resulting pressure generated in the closed reactor is proportional to the carbonate content of the specimen.

Preferred Test Sample Size

1 drillers jar

Number of Test Specimens

1

Test Specimen Size

20-30 gram, passing #10 sieve.

Keywords

Calcareous soils, carbonate content, marine soils

For more information, contact GeoTesting Express:



Atlanta

770.645.6575


Boston

978.635.0424


Chicago

224.676.1371


New York

212.566.6630



info@geotesting.com

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