ISO 37306:2025 PDF

Liquid petroleum products — Determination of distillation characteristics at atmospheric pressure — Micro-distillation

Название (английский):

ISO 37306:2025

Liquid petroleum products — Determination of distillation characteristics at atmospheric pressure — Micro-distillation

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 18
Дата публикации:: 3 декабря 2025 г.
Издание:: ISO IS 37306 edition 1 version 1
ICS:: 75.160.20

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Описание (английский):

This document specifies a laboratory method for the determination of the distillation characteristics of light and middle distillates derived from petroleum and related products of synthetic or biological origin with initial boiling points above 20 °C and end-points below approximately 400 °C, at atmospheric pressure utilizing an automatic micro distillation apparatus. This test method is applicable to such products as light and middle distillates, automotive spark-ignition engine fuels, automotive spark-ignition engine fuels containing a volume fraction of up to 20 % ethanol, aviation gasolines, aviation turbine fuels, (paraffinic) diesel fuels, FAME (B100), diesel blends containing a volume fraction of up to 30 % fatty acid methyl esters (FAME), special petroleum spirits, naphthas, white spirits, kerosenes, burner fuels, and marine fuels. The test method is also applicable to hydrocarbons with a narrow boiling range, like organic solvents or oxygenated compounds. The test method is designed for the analysis of distillate products; it is not applicable to products containing appreciable quantities of residual material.

Технические детали

Технический комитет: ISO/TC 28 - Petroleum and related products, fuels and lubricants from natural or synthetic sources
SKU: ISO 37306:2025

Abstract

Overview

ISO 37306:2025 specifies a laboratory micro‑distillation method for determining the distillation characteristics of liquid petroleum products at atmospheric pressure using an automatic micro distillation apparatus. It covers light and middle distillates (initial boiling points > 20 °C and end‑points below ≈ 400 °C) from petroleum, synthetic or biological sources, including automotive and aviation fuels, diesel and FAME blends, solvents and narrow‑boiling hydrocarbons. The method delivers fast results from small sample volumes and is technically equivalent to ASTM D7345.

Key topics and technical requirements

Scope and applicability: Light and middle distillates, automotive spark‑ignition fuels (including up to 20% ethanol), aviation gasolines and turbine fuels, paraffinic diesel, FAME (B100), diesel blends up to 30% FAME, naphthas, kerosenes, burner and marine fuels, and narrow‑boiling solvents. Not applicable to products with appreciable residual material.
Automatic apparatus: Uses a microprocessor‑controlled unit that automatically controls evaporation, measures vapour/liquid temperatures and flask internal pressure, and converts sensor data to percent recovered using defined algorithms.
Measurements and definitions: Initial boiling point (IBP), final boiling point/end‑point (FBP), vapour and liquid temperature readings, per cent recovered/recovered predictions, and per cent residue.
Apparatus and calibration: Requirements for micro distillation unit, barometer calibration, differential pressure sensors, temperature measurement systems, sampling devices and waste collection. Instrument verification, calibration and quality control procedures are specified.
Procedure, calculations and reporting: Detailed test procedure, calculation methods, expression of results and required test report elements.
Precision and performance: Repeatability and reproducibility statistics, bias considerations and specific precision guidance for FAME samples.
Standards referenced: Sampling standards ISO 3170 and ISO 3171 are normative references; method is aligned with existing distillation methods.

Practical applications and users

Who uses it: Petroleum and biofuel testing laboratories, refinery process control teams, fuel producers, quality control/assurance personnel, regulatory bodies, forensic/adulteration testing labs, and researchers.
Why use it: Rapid, low‑volume assessment of boiling range and volatility for specification compliance, process monitoring, product quality screening, fuel blends verification and field/portable testing scenarios where conventional methods (e.g., ISO 3405, ASTM D1160) are slower or more sample‑intensive.
Benefits: Faster turnaround, reduced operator subjectivity, small sample volume, and suitability for ethanol and FAME‑containing fuels within specified limits.

Related standards

ISO 3170, ISO 3171 (sampling)
ISO 3405 and ASTM D1160 (conventional distillation methods)
ASTM D7345 (technical basis/equivalent)

Note: Follow all safety, hazardous materials and regulatory requirements when performing distillation testing.

Overview

Key topics and technical requirements

Scope and applicability: Light and middle distillates, automotive spark‑ignition fuels (including up to 20% ethanol), aviation gasolines and turbine fuels, paraffinic diesel, FAME (B100), diesel blends up to 30% FAME, naphthas, kerosenes, burner and marine fuels, and narrow‑boiling solvents. Not applicable to products with appreciable residual material.
Automatic apparatus: Uses a microprocessor‑controlled unit that automatically controls evaporation, measures vapour/liquid temperatures and flask internal pressure, and converts sensor data to percent recovered using defined algorithms.
Measurements and definitions: Initial boiling point (IBP), final boiling point/end‑point (FBP), vapour and liquid temperature readings, per cent recovered/recovered predictions, and per cent residue.
Apparatus and calibration: Requirements for micro distillation unit, barometer calibration, differential pressure sensors, temperature measurement systems, sampling devices and waste collection. Instrument verification, calibration and quality control procedures are specified.
Procedure, calculations and reporting: Detailed test procedure, calculation methods, expression of results and required test report elements.
Precision and performance: Repeatability and reproducibility statistics, bias considerations and specific precision guidance for FAME samples.
Standards referenced: Sampling standards ISO 3170 and ISO 3171 are normative references; method is aligned with existing distillation methods.

Practical applications and users

Who uses it: Petroleum and biofuel testing laboratories, refinery process control teams, fuel producers, quality control/assurance personnel, regulatory bodies, forensic/adulteration testing labs, and researchers.
Why use it: Rapid, low‑volume assessment of boiling range and volatility for specification compliance, process monitoring, product quality screening, fuel blends verification and field/portable testing scenarios where conventional methods (e.g., ISO 3405, ASTM D1160) are slower or more sample‑intensive.
Benefits: Faster turnaround, reduced operator subjectivity, small sample volume, and suitability for ethanol and FAME‑containing fuels within specified limits.

Related standards

ISO 3170, ISO 3171 (sampling)
ISO 3405 and ASTM D1160 (conventional distillation methods)
ASTM D7345 (technical basis/equivalent)

Note: Follow all safety, hazardous materials and regulatory requirements when performing distillation testing.

ISO 37306:2025 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Похожие стандарты

Abstract

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Похожие стандарты

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