BS 1377-3:2018 Methods of test for soils for civil engineering purposes Chemical and electro-chemical testing

Sulfates
Specimen preparation
Electrical measurement
Testing conditions
Interferences (chemical)
Ground water
Extraction methods of analysis
Chemical analysis and testing
Gravimetric analysis
Solvent extraction methods
Construction
Potentiometric methods
Volumetric analysis
Ignition-loss tests
Organic matter determination
Carbonates
Ion-exchange methods
pH measurement
Test equipment
Chlorides
Soils
Soil testing
Determination of content
Electrical resistivity

Link: BS 1377-3:2018 Methods of test for soils for civil engineering purposes Chemical and electro-chemical testing
Source: BSI Standards