SIST ISO 11048:1996 PDF

Name: SIST ISO 11048:1996 — Soil quality -- Determination of water-soluble and acid-soluble sulfate
SKU: SIST ISO 11048:1996
Price: 65.56 EUR
Availability: InStock

Soil quality -- Determination of water-soluble and acid-soluble sulfate

Название (английский):

SIST ISO 11048:1996

Soil quality -- Determination of water-soluble and acid-soluble sulfate

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 18
Дата публикации:: 1 сентября 1996 г.
ICS:: 13.080.10
Технический комитет:: KAT - Soil quality

Тип поставки:

Full version270 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:3 раб. дн. (перевод)

Цена:270 €

Описание (английский):

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. Applicable to all types of air-dried soils.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

SIST ISO 11048:1996 specifies standardized procedures for the determination of water-soluble and acid-soluble sulfate in soil and soil-like materials. Developed by the International Organization for Standardization (ISO) and adopted as a Slovenian standard (SIST), this document details methods for preparing water and acid extracts of air-dried soils, determining their sulfate content via a gravimetric approach, and calculating results based on the mass of barium sulfate precipitated. The procedures are applicable to a wide range of air-dried soils, ensuring reliable and reproducible results for both research and practical applications in soil quality assessment.

Key Topics

Extraction Procedures: SIST ISO 11048:1996 outlines methods for extracting sulfates using either water or dilute hydrochloric acid, depending on the nature and intended use of the analysis.

Water extraction at soil:water mass:volume ratios of 1:5 and 1:2.
Acid extraction using dilute hydrochloric acid.

Gravimetric Determination: Sulfate ions in extracts are quantified by adding barium chloride, leading to precipitation of barium sulfate, which is then filtered, dried, and weighed.

Sample Preparation: Detailed instructions for sample pretreatment, subdivision, and dry matter determination ensure uniformity and accuracy.

Applicability: Suitable for all types of air-dried soils, including agricultural soils, contaminated sites, and soils with varying mineral content.

Results Calculation: Standard calculations convert gravimetric measurements into sulfate concentrations, enabling clear interpretation of sulfate content per kilogram of soil.

Applications

Soil Quality Assessment

Agricultural Soils: Determine the availability of sulfates that are readily accessible to plants, which is crucial for understanding plant nutrition and the need for sulfur fertilization.

Environmental Monitoring: Assess sulfate presence in soils from polluted or reclaimed sites, such as former industrial areas or mining spoils, to monitor contamination and transformation of different sulfur species.

Building and Construction: Evaluate the potential for sulfate attack on structures like concrete, particularly from acid-soluble sulfates, which is important for construction on sulfate-bearing soils.

Soil Research: Support scientific studies related to soil chemistry, mineralogy, and soil fertility by providing standardized data on sulfate content.

Method Limitations and Considerations

Interferences: The method notes possible interferences from other ions, especially in contaminated soils. Special attention may be required for soils with high sulfide content or other sulfur compounds.

Empirical Nature: While procedures are highly reproducible, they are empirical and may not fully capture all forms of sulfate present in every soil type.

Related Standards

Implementing SIST ISO 11048:1996 often involves referencing or aligning with other international standards to ensure comprehensive and accurate soil analysis:

ISO 3696: Water for Analytical Laboratory Use - Specification and test methods (defines water quality used in extractions).

ISO 9280: Water Quality - Determination of sulfate - Gravimetric method using barium chloride (reference for gravimetric sulfate determination).

ISO 11464: Soil Quality - Pretreatment of samples for physico-chemical analyses (procedures for preparing soils before analysis).

ISO 11465: Soil Quality - Determination of dry matter and water content (gravimetric method).

Practical Value

Adhering to SIST ISO 11048:1996 ensures:

Consistent Data: Laboratories can generate consistent, comparable sulfate measurements critical for soil quality monitoring and management worldwide.

Compliance: Following internationally recognized procedures facilitates regulatory compliance, supports environmental permitting, and underpins scientific research.

Method Reliability: The standard outlines checks, controls, and blank tests to ensure analytical accuracy and minimize errors from external influences.

For organizations engaged in soil quality assessment, environmental monitoring, agriculture, or construction, SIST ISO 11048:1996 offers a robust, reliable foundation for the determination of water-soluble and acid-soluble sulfate, supporting data-driven decision-making and effective soil management.

SIST ISO 11048:1996 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Soil Quality Assessment

Method Limitations and Considerations

Related Standards

Practical Value

Технические детали

SIST EN ISO 3696:1998

Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)

ISO 9280:1990

Water quality — Determination of sulfate — Gravimetric method using barium chloride

SIST ISO 11464:2006

Soil quality -- Pretreatment of samples for physico-chemical analysis

SIST EN ISO 11465:2026

Sludge and solid environmental matrices - Determination of dry residue or water content and calculation of th…