ISO 9029:1990

Name: ISO 9029:1990 — Crude petroleum — Determination of water — Distillation method
SKU: ISO 9029:1990
Price: 25 EUR
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Crude petroleum — Determination of water — Distillation method

Название (английский):

ISO 9029:1990

Crude petroleum — Determination of water — Distillation method

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 10
Дата публикации:: 13 декабря 1990 г.
Издание:: ISO IS 9029 edition 1 version 1
ICS:: 75.040

Тип поставки:

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Язык документа:

ruen

Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

The precision data of this procedure have only been determined for water contents up to 1 % (V/V). Includes principle, apparatus, solvent, calibration and recovery test, sampling, procedure, expression of results, precision and test report. The distillation apparatus is shown in figures 1 and 2. The precision of the method is shown in figure 3. The sample handling is described in annex A.

Abstract

Overview - ISO 9029:1990 (Crude petroleum - Determination of water - Distillation method)

Key topics and technical requirements

Principle: Reflux/distillation with a water‑immiscible solvent; separation of condensed solvent and water into a graduated trap.
Apparatus: Recommended assembly includes a 1000 ml round‑bottom flask (24/39 joint), Liebig condenser with sealed inner tube, a 5 ml graduated trap (0.05 ml graduations), drying tube, heater (electric mantle recommended), jet‑spray tube, and pick/scraper.
Solvent: Xylene meeting ISO 5280 specifications; solvent blank required to check solvent water content.
Calibration & recovery: Calibrate trap (micro‑pipette increments) and verify overall water recovery by adding known water volumes to 400 ml xylene and checking measured recovery against specified tolerances.
Sampling & sample handling: Follow ISO 3170 / ISO 3171 sampling rules; Annex A details homogenization (high‑shear mixing or equivalent) and transfer to test portions.
Procedure & expression of results: Test portion plus xylene to 400 ml, controlled heating and rinse/wash‑down to dislodge condensate; results reported on a volume or mass basis and rounded per clause 10 (typical rounding to 0.025 %).
Precision: Precision established for 0–1% (V/V). For the 0.1–1.0% (V/V) range, reported repeatability and reproducibility values are available in the standard (repeatability ≈ 0.08% V/V; reproducibility ≈ 0.11% V/V); lower values are shown graphically for 0–0.1% (see figure 3).
Safety: The method involves hazardous materials and operations; users must apply appropriate safety and regulatory practices.

Applications and who uses this standard

Refineries and custody transfer - correcting volumes for water content during purchase, sale and transfer.
Petroleum testing laboratories - routine QC/QA determination of free and volatile water in crude oil.
Operators and inspectors - verification of tank or pipeline contents.
Standards and compliance teams - to ensure measurement traceability and inter‑laboratory comparability.

Related standards

ISO 5280 (xylene specification)
ISO 3170 / ISO 3171 (manual and automatic petroleum sampling)
ISO 383 (glassware joints)
ISO 4259 (precision data treatment)

Keywords: ISO 9029:1990, crude petroleum, water determination, distillation method, xylene, water content, trap calibration, sampling, precision.

Технические детали

Технический комитет: ISO/TC 28/SC 2 - Measurement of petroleum and related products
SKU: ISO 9029:1990

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ISO 9029:1990

Abstract

Overview - ISO 9029:1990 (Crude petroleum - Determination of water - Distillation method)

Похожие стандарты

Key topics and technical requirements

Applications and who uses this standard

Related standards

Технические детали

ISO 5280:1979

Xylene for industrial use — Specification

BS EN ISO 3170:2025

Hydrocarbon Liquids. Manual sampling.

BS EN ISO 3171:1999

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ISO 3832:1976

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