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AASHTO T 291
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AASHTO T 291 94th Edition, January 1, 1994 Standard Method of Test for Determining Water-Soluble Chloride Ion Content in Soil
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Description / Abstract:
This test method describes the procedures for sampling and
testing a soil for chloride ion content. This standard is divided
into two parts. The first part specifies the procedure for sampling
and preparing the sample to size for testing. The second part
delineates two test procedures (Methods A or B) for the
determination of the water-soluble chloride ion content in
soil.
Method A is based upon the Mohr procedure for determining chloride ion with silver nitrate. Method B utilizes a pH/mV meter. By comparing the mV readings to the calibration curve, determine the chloride ion content.
The values stated in SI units are to be regarded as the standard.
Method A is based upon the Mohr procedure for determining chloride ion with silver nitrate. Method B utilizes a pH/mV meter. By comparing the mV readings to the calibration curve, determine the chloride ion content.
The values stated in SI units are to be regarded as the standard.