EN ISO 12205:1996 PDF

Name: EN ISO 12205:1996 — Petroleum products - Determination of the oxidation stability of middle-distillate fuels (ISO 12205:1995)
SKU: EN ISO 12205:1996
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Petroleum products - Determination of the oxidation stability of middle-distillate fuels (ISO 12205:1995)

Название (английский):

EN ISO 12205:1996

Petroleum products - Determination of the oxidation stability of middle-distillate fuels (ISO 12205:1995)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 11
Дата публикации:: 15 февраля 1996 г.
Издание:: CEN EN 12205 edition 1 version 1
ICS:: 75.080

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Описание (английский):

Describes a procedure for the measurement of inherent stability under accelerated oxidizing conditions. The method provides a basis for the estimation of the storage stability, under the conditions of this test, of middle-distillate fuels with an initial boiling point above approximately 175 °C and a 90% (V/V) recovery point below 370 °C. Is not applicable to fuels containing residual components, or any significant component from a non-petroleum source.

Abstract

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Overview

EN ISO 12205:1996 specifies the standardized procedure for determining the oxidation stability of middle-distillate petroleum fuels under accelerated oxidizing conditions. Developed by CEN and aligned with ISO 12205:1995, this standard provides a reliable method for estimating the storage stability of fuels that have an initial boiling point above 175 °C and a 90% volume recovery point below 370 °C. EN ISO 12205:1996 is not applicable to fuels containing residual components or significant non-petroleum derived substances.

The test method is essential for fuel producers, laboratories, and end users concerned with product quality, storage, and transportation of middle-distillate fuels-including diesel fuel and heating oil.

Key Topics

Oxidation Stability Assessment The standard outlines procedures to evaluate the resistance of middle-distillate fuels to oxidative degradation, which can cause the formation of insolubles impacting engine or burner performance.

Accelerated Testing Protocol Samples are aged at 95 °C for 16 hours while oxygen is bubbled through the fuel, simulating long-term storage conditions within a practical laboratory timeframe.

Quantification of Insolubles

Filterable insolubles: Particulates suspended in fuel, removed by filtration.
Adherent insolubles: Deposits adhering to test apparatus, collected by solvent rinsing.
Total insolubles: The sum, indicating overall oxidation stability.

Equipment and Safety The standard details the required glassware (e.g., borosilicate oxidation cells), filter types, reagents, and the importance of safety precautions due to potentially hazardous materials and conditions.

Applicability and Limitations EN ISO 12205:1996 is designed for petroleum middle-distillate fuels only. It explicitly excludes fuels with residuals or those derived largely from alternative (non-petroleum) sources.

Applications

Quality Control in Fuel Production Petroleum refineries and fuel blending facilities use this standard to monitor and ensure their products’ stability during storage and transit, helping to minimize quality deterioration and customer complaints.

Storage and Handling Optimization Fuel storage companies and logistics operators employ EN ISO 12205:1996 to predict performance issues arising from oxidation, aiding in inventory rotation and risk management.

Regulatory and Specification Compliance Governments, standardization bodies, and industrial associations reference this method in product regulations and tender specifications to ensure safe, high-performing fuel supply.

Research and Development Laboratories engaged in developing new additives or improved refining processes use this standardized test to compare formulations for oxidation stability, supporting innovation and product differentiation.

Related Standards

ISO 3170: Manual Sampling of Petroleum Liquids Specifies procedures for obtaining representative samples vital for accurate oxidation stability testing.

ISO 3171: Automatic Pipeline Sampling of Petroleum Liquids Ensures consistently representative sampling in automated fuel handling systems.

ISO 3696: Water for Analytical Laboratory Use Mandates the purity of water used in testing, impacting sample integrity.

ISO 6246: Gum Content of Light and Middle Distillate Fuels Describes measurement techniques relevant for further determination of fuel cleanliness and stability.

ISO 4263: Oxidation Characteristics of Inhibited Mineral Oils Related to oxidation testing of lubricating oils, providing complementary data in broader petroleum analysis.

Adhering to EN ISO 12205:1996 helps ensure middle-distillate fuels demonstrate the necessary oxidation stability for safe and efficient storage, transport, and end-use. Consistent application of this standard supports compliance, product quality assurance, and extends fuel shelf life, benefitting all stakeholders in the petroleum supply chain.

EN ISO 12205:1996 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

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