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BSI BS 7755-3.11:1995

Soil quality. Chemical methods -- Determination of water-soluble and acid-soluble sulfate
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BSI BS 7755-3.11:1995

Soil quality. Chemical methods -- Determination of water-soluble and acid-soluble sulfate

PUBLISH DATE 1995
BSI BS 7755-3.11:1995

This International Standard specifies procedures for the preparation of water and acid extracts of air-dried soils and soil-like materials.

The sulfate content of these extracts is determined by a gravimetric method in which barium chloride is added to the water or acid extract and the precipitate of barium sulfate is dried and weighed.

The sulfate content is then calculated from the mass of the material used in the analysis and the mass of barium sulfate precipitated.

This International Standard is applicable to all types of air-dried soils, for example pretreated according to ISO 11464.

This International Standard consists of seven sections:

  • Section 1: General;
  • Section 2: Pretreatment of samples and determination of dry matter contents;
  • Section 3: Extraction of soil with water at a mass : volume ratio of 1 soil : 5 water;
  • Section 4: Extraction of soil with water at a mass : volume ratio of 1 soil : 2 water;
  • Section 5: Extraction of soil with dilute hydrochloric acid;
  • Section 6: Determination of sulfate in solution by a gravimetric method using barium chloride;
  • Section 7: Precision of method and test report.

Applicable to all types of air-dried soils.

SDO BSI: British Standards Institution
Document Number 7755-3.11
Publication Date Dec. 15, 1995
Language en - English
Page Count
Revision Level
Supercedes
Committee EH/4
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