ISO 1015-1975 rus PDF

Full title and description

ISO 1015-1975 — Brown coals and lignites — Determination of moisture content — Direct volumetric method. Original International Standard (first edition, November 1975) specifying a direct volumetric (solvent-entrainment) procedure for measuring moisture in brown coals and lignites; Russian-language PDF translations of this ISO edition are commonly offered by national bodies and commercial standards resellers.

Abstract

This standard defines a direct volumetric determination of moisture in brown coals and lignites. A weighed sample is boiled with an entraining solvent (commonly toluene or xylene) under reflux; water carried over by the solvent is collected in a graduated receiver, separates as a lower layer and is measured volumetrically. The moisture content is calculated from the measured water volume and the sample mass. The document describes principle, reagents, apparatus, calibration, procedure, expression of results and test-report content.

General information

• Status: Withdrawn (first edition withdrawn; subsequently revised by ISO 1015:1992, which has also been withdrawn).
• Publication date: November 1975 (First edition).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 73.040 (Coals).
• Edition / version: Edition 1 (1975).
• Number of pages: 3 (original English text; translations normally maintain the same pagination).

Scope

Specifies a laboratory method for determining either total moisture or moisture in the analysis sample of brown coals and lignites by direct volumetric entrainment with a boiling solvent. Applicable where the volumetric (solvent-entrainment) technique is acceptable; intended for laboratory analysis rather than field testing. The method requires careful control of reagents and apparatus to minimise measurement errors arising from solvent saturation and separation.

Key topics and requirements

• Principle: moisture entrainment by solvent vapour (toluene or xylene) and volumetric collection of condensate.
• Reagents: high-purity toluene or xylene and distilled water for calibration; warning about flammability and toxicity of solvents.
• Apparatus: distillation flask (≥500 ml), condenser with water jacket and extended lip, graduated receiver (resolution 0.1 ml), overflow arrangement and ground-glass joints.
• Calibration: calibration of receiver and verification of solvent condition to reduce bias from solvent saturation.
• Procedure: sample preparation and weighing, reflux distillation, collection of condensed water, volume reading and calculation of moisture content from water volume and sample mass.
• Reporting: expression of results, precision considerations and inclusion of method details in the test report.

Typical use and users

Used in coal testing and research laboratories, quality-control departments of mines and briquette/coal-processing plants, laboratories that perform routine proximate analyses of brown coal and lignite, and by standards and testing organizations. Analysts, lab managers and quality engineers concerned with fuel moisture determination are typical users.

Related standards

ISO 1015:1992 (second edition) — revision of ISO 1015:1975. Other related ISO documents address sampling and sample preparation for brown coals and lignites and alternative moisture-determination methods (e.g., gravimetric techniques and sampling standards). National and regional standards may provide equivalent or complementary procedures; consult the relevant national standards body for jurisdictional requirements.

Keywords

ISO 1015-1975, brown coal, lignite, moisture content, direct volumetric method, solvent entrainment, toluene, xylene, coal analysis, Russian translation, PDF.

FAQ

Q: What is this standard?

A: An ISO laboratory method from 1975 specifying a direct volumetric (solvent-entrainment) procedure to determine moisture content in brown coals and lignites.

Q: What does it cover?

A: The principle, reagents, required apparatus and calibration, step-by-step procedure, precision notes, calculation and the content required in test reports for volumetric moisture determination using reflux with solvent vapour.

Q: Who typically uses it?

A: Coal testing laboratories, mine and fuel-quality control personnel, standards organisations and researchers working with brown coals and lignites.

Q: Is it current or superseded?

A: The 1975 edition has been withdrawn and was superseded by ISO 1015:1992. The 1992 edition has also been withdrawn. For current practice, check with ISO or the competent national standards body for any more recent or replacement methods.

Q: Is it part of a series?

A: Yes — it sits among ISO technical work on methods of analysis for brown coals and lignites (ISO/TC 27/SC 5), and is related to sampling and sample-preparation standards for these fuels.

Q: What are the key keywords?

A: Brown coal, lignite, moisture determination, direct volumetric, solvent entrainment, ISO 1015, toluene, xylene, coal analysis, rus (Russian).