SIST EN ISO 3015:2019

Name: SIST EN ISO 3015:2019 — Petroleum and related products from natural or synthetic sources - Determination of cloud point (ISO 3015:2019)
SKU: SIST EN ISO 3015:2019
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Petroleum and related products from natural or synthetic sources - Determination of cloud point (ISO 3015:2019)

Название (английский):

Petroleum and related products from natural or synthetic sources - Determination of cloud point (ISO 3015:2019)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 11 июня 2019 г.
ICS:: 75.080
Технический комитет:: NAD - Petroleum products, lubricants and related products

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Описание (английский):

This document specifies a method for the determination of the cloud point of petroleum products which are transparent in layers 40 mm in thickness and have a cloud point below 49 °C, amongst which are diesel fuels with up to 30 % (V/V) of fatty acid methyl ester (FAME)[2], paraffinic diesel fuels with up to 7 % (V/V) FAME[3], 100 % FAME[5] and lubricants. NOTE For the purposes of this document, the term "% (V/V)" is used to represent the volume fraction (φ) of a material.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 3015:2019 (ISO 3015:2019) specifies a standardized laboratory method for determining the cloud point of petroleum and related products that are transparent in 40 mm layers and have cloud points below 49 °C. The scope explicitly includes diesel fuels (with up to 30 % (V/V) FAME), paraffinic diesel (with up to 7 % FAME), 100 % FAME and lubricants. The cloud point is defined as the temperature at which a cloud of wax crystals first appears when the sample is cooled under specified conditions.

Key topics and technical requirements

Principle: Cool a prepared sample at a specified rate and periodically inspect the bottom of a test jar; record the temperature when a cloud is first observed.

Sample preparation & sampling: Remove moisture and pour sample to the marked level in the test jar; sampling methods referenced to ISO 3170 / ISO 3171.

Apparatus:

Cylindrical clear glass test jar (outside diameter 33.2–34.8 mm, height 115–125 mm; sample height mark at 54 mm ± 3 mm).
Temperature measuring devices: liquid-in-glass thermometers or digital contact thermometers (DCT) (normative device specifications are included).
Cork, gasket, disc and a watertight metal jacket to hold the test jar.
Controlled cooling bath (refrigeration or cooling mixtures; recommended mixtures in Annex B).

Procedure details: Correct thermometer immersion, prevention of liquid-column separation, pre-cooling of jacket/disc, and observation intervals are specified.

Results & precision: Methods for expression of results and precision statements (repeatability/reproducibility) are provided; the standard notes alignment of temperature ranges with established practice.

Safety & limitations: Warning that hazardous materials and equipment may be involved; users must ensure appropriate safety measures.

Applications and who uses it

Quality control and acceptance testing for diesel fuels, biodiesel (FAME blends), lubricants and other petroleum-derived liquids.

Laboratories in refineries, fuel terminals, independent testing houses and regulatory bodies that require reproducible cloud point measurements for cold-weather performance assessment.

Suppliers and purchasers specifying product acceptance criteria, and R&D teams evaluating fuel formulations or additive effects on low-temperature behavior.

Related standards

ISO 3170 - Petroleum liquids: Manual sampling

ISO 3171 - Petroleum liquids: Automatic pipeline sampling

ASTM D7962, ASTM E644-11, ASTM E2877 - referenced for temperature sensor and thermometer practices

Supersedes EN 23015:1994; endorsed by CEN as EN ISO 3015:2019

Keywords: EN ISO 3015:2019, ISO 3015:2019, cloud point test, petroleum products, FAME, diesel fuels, lubricants, test jar, digital contact thermometer, cooling bath.

SIST EN ISO 3015:2019

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Технические детали

ISO 3015:2019

Petroleum and related products from natural or synthetic sources — Determination of cloud point

ISO 31700-1:2023

Consumer protection — Privacy by design for consumer goods and services — Part 1: High-level requirements

SIST EN ISO 3171:1999

Petroleum liquids - Automatic pipeline sampling (ISO 3171:1988)