ISO 5069-2-1983 rus PDF

Full title and description

Brown coals and lignites — Principles of sampling — Part 2: Sample preparation for determination of moisture content and for general analysis (ISO 5069-2:1983). This entry refers to the 1983 international edition; national adoptions and translations (including Russian-language editions) have existed in some markets.

Abstract

ISO 5069-2:1983 specifies the procedures for preparing laboratory and analytical samples of brown coal and lignite for two main purposes: determination of moisture content and for general proximate/ultimate analysis. The document describes operations such as particle-size reduction, mixing, and sample division, and covers drying where applicable. It is intended to be used together with the sampling principles given in ISO 5069-1.

General information

• Status: Withdrawn (International Standard withdrawn).
• Publication date: December 1983 (Edition 1, 1983-12).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 73.040 (Solid fuels).
• Edition / version: Edition 1 (1983).
• Number of pages: 7 pages (original ISO publication).

Scope

The standard covers the laboratory preparation steps required to transform a representative coal sample into material suitable for (a) determination of moisture content and (b) general chemical and physical analysis. It defines acceptable equipment and procedures for reducing particle size (crushing, grinding), homogenizing (mixing), dividing samples (sample division or splitting) and drying protocols where required. The part is intended to complement ISO 5069-1, which deals with field sampling principles.

Key topics and requirements

• Particle-size reduction methods (crushing, grinding, milling) to achieve uniform analytical samples.
• Mixing and homogenization techniques to ensure representativeness of sub-samples.
• Sample division procedures (mechanical dividers, coning-and-quartering alternatives) to reduce mass while preserving representativity.
• Drying and moisture-handling instructions for accurate moisture-content determination (air-drying, oven-drying as appropriate).
• Recommendations on required equipment, sample containers and handling to avoid moisture loss or contamination.
• Relationship and cross-reference to Part 1 (sampling) — the standard is not a stand-alone sampling specification.

Typical use and users

Used by coal testing laboratories, coal producers (mines and briquette manufacturers), quality control and quality assurance personnel in the coal and fuel industries, research laboratories studying brown coal and lignite properties, and standards bodies preparing national adoptions or translations. It is applied when preparing samples for routine proximate/ultimate analysis and moisture determination.

Related standards

ISO 5069-1 (Principles of sampling — Part 1: Field sampling procedures) is the companion part and should be used together with ISO 5069-2. Other related national adoptions and composite standards on sampling and sample preparation for solid fuels reference or reproduce the ISO 5069 series (examples include national translations/adoptions and related fuel sampling standards).

Keywords

brown coal; lignite; sampling; sample preparation; moisture determination; sample division; crushing; grinding; homogenization; ISO 5069-2; fuel analysis.

FAQ

Q: What is this standard?

A: ISO 5069-2:1983 is an international standard that specifies laboratory sample-preparation procedures for brown coals and lignites, focused on preparing samples for moisture determination and general analytical testing.

Q: What does it cover?

A: It covers particle-size reduction (crushing/grinding), mixing/homogenization, sample division techniques, drying procedures for moisture analysis, and recommendations on equipment and handling to preserve sample representativity. It complements ISO 5069-1 (field sampling).

Q: Who typically uses it?

A: Coal testing laboratories, mine and briquette plant QC/QA teams, fuel analysts, researchers working with brown coal and lignite, and standards organizations creating national adoptions or translations.

Q: Is it current or superseded?

A: The ISO record indicates ISO 5069-2:1983 has been withdrawn as an International Standard. Users should check for any newer international replacements or national methods that have superseded it before applying the procedures.

Q: Is it part of a series?

A: Yes — it is Part 2 of the ISO 5069 series; Part 1 addresses field sampling principles. Other related parts and national standards may exist that address sampling and sample preparation for solid fuels.

Q: What are the key keywords?

A: Brown coal, lignite, sampling, sample preparation, moisture determination, crushing, grinding, sample division, homogenization, ISO 5069-2.