BS 7755-3.11:1995
Current
The latest, up-to-date edition.
Soil quality. Chemical methods Determination of water-soluble and acid-soluble sulfate
Hardcopy , PDF
English
15-12-1995
Committees responsible
National foreword
Method
Section 1. General
1.1 Scope
1.2 Normative references
1.3 Principle
1.4 Applicability and limitations
Section 2. Pretreatment of samples and determination of
dry matter contents
2.1 Scope
2.2 Determination of dry matter content
2.3 Preparation of soil samples for extraction with
water in the mass: volume ratio soil; 5 water, or
for extraction with dilute acid
2.4 Preparation of soil samples for extraction with
water in the mass: volume ratio of 1 soil: 2 water
Section 3. Extraction of soil with water at a mass:
volume ratio of 1 soil: 5 water
3.1 Principle
3.2 Preparation of 1: 5 water extract
3.3 Determination of dry matter content
Section 4. Extraction of soil with water at a mass:
volume ratio of 1 soil: 2 : water
4.1 Principle
4.2 Preparation of 1: 2 water extract
4.3 Determination of dry matter content
Section 5. Extraction of soil with dilute hydrochloric
acid
5.1 Principle
5.2 Preparation of acid extract
5.3 Determination of dry matter content
Section 6. Determination of sulfate in solution by a
gravimetric method using barium chloride
6.1 Scope
6.2 Principle
6.3 Reagents
6.4 Apparatus
6.5 Sampling and sample preparation
6.6 Procedure
6.7 Expression of results
6.8 Interferences
6.9 Special cases
6.10 Notes on procedure
Section 7. Precision of method and test report
7.1 Repeatability and reproducibility
7.2 Test report
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