ISO 3838:2004/Amd 1:2023

• Status: Published
• Publication Date: 05-Dec-2023
• ICS: 75.080 - Petroleum products in general
• Technical Committee: ISO/TC 28/SC 2 - Measurement of petroleum and related products
• Drafting Committee: ISO/TC 28/SC 2 - Measurement of petroleum and related products
• Current Stage: 6060 - International Standard published
• Start Date: 06-Dec-2023
• Due Date: 18-Oct-2024
• Completion Date: 06-Dec-2023

• Consolidates: EN ISO 3838:2004/A1:2023 - Crude petroleum and liquid or solid petroleum products - Determination of density or relative density - Capillary-stoppered pyknometer and graduated bicapillary pyknometer methods - Amendment 1 (ISO 3838:2004/Amd 1:2023)
• Effective Date: 12-Feb-2026
• Amends: ISO 3838:2004 - Crude petroleum and liquid or solid petroleum products — Determination of density or relative density — Capillary-stoppered pyknometer and graduated bicapillary pyknometer methods
• Effective Date: 22-Apr-2023

Overview

ISO 3838:2004/Amd 1:2023 is an important amendment to the internationally recognized standard for determining the density or relative density of crude petroleum and liquid or solid petroleum products. This standard specifies updated methods using capillary-stoppered pyknometers and graduated bicapillary pyknometers, enhancing precision in density measurement essential for quality control, trading, and regulatory compliance within the petroleum industry.

This amendment modernizes the formulas and procedures to improve accuracy and reliability, aligning with current technological and analytical advancements. As petroleum products vary widely in physical characteristics, the standardized approach ensures consistent international practices in petroleum density measurement.

Key Topics

• Scope of Measurement
  The standard focuses on measuring the density or relative density of crude petroleum and various petroleum products, whether in liquid or solid form.

• Measurement Methods

  • Capillary-stoppered pyknometer: A precise volumetric glassware method used for density determination that minimizes vapor loss and contamination.
  • Graduated bicapillary pyknometer: An advanced pyknometer variant with two capillaries, designed for enhanced volume determination and reproducibility.

• Updated Measurement Formulas
  Amendment 1 introduces revised formulas correcting and refining calculations related to density at varying temperatures, improving the reliability of measurement results.

• Technical Collaboration
  Developed by ISO Technical Committee ISO/TC 28 and Subcommittee SC 2, in collaboration with the European Committee for Standardization (CEN/TC 19), ensuring harmonization across international and European standards bodies.

• Standardization Principles
  Adheres to ISO/IEC Directives and recognizes potential patent considerations, ensuring transparent and accessible implementation globally.

Applications

• Petroleum Industry Quality Control
  Accurate density determination is critical for verifying product specifications, blending operations, and process control.

• Trade and Commercial Transactions
  Density measurements directly impact volume and mass calculations, affecting pricing and contract fulfillment in crude oil and refined petroleum commodity trading.

• Regulatory Compliance
  Supports adherence to environmental and safety regulations by enabling precise characterization of petroleum products.

• Laboratory and Research
  Provides standardized procedures for petroleum laboratories conducting physical property testing and research into new petroleum-based materials.

• Fuel and Lubricant Production
  Accurate density measurement guides formulation and performance benchmarking for fuels and lubricants derived from petroleum.

Related Standards

• ISO 3675 - Crude Petroleum and Liquid Petroleum Products - Density Determination by Hydrometer Method
  Complements ISO 3838 by providing alternative density measurement techniques.

• ISO 12185 - Crude Petroleum and Liquid Petroleum Products - Density Determination by Oscillating U-tube Method
  Offers a digital, automated alternative to pyknometer-based density measurement.

• ISO/IEC Directives Part 1 and Part 2
  Governs the editorial rules and procedures for ISO standard development ensuring clarity and consistency.

• CEN/TC 19 Standards on Petroleum and Related Products
  Reflect European standards aligning with ISO 3838 to maintain cross-regional consistency.

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Keywords: ISO 3838 amendment, petroleum density measurement, capillary-stoppered pyknometer, bicapillary pyknometer, crude petroleum testing, petroleum product standards, density determination, petroleum quality control, ISO petroleum standards, petroleum industry compliance.

INTERNATIONAL ISO
STANDARD 3838
Second edition
2004-05-01
AMENDMENT 1
2023-12
Crude petroleum and liquid or solid
petroleum products — Determination
of density or relative density —
Capillary-stoppered pyknometer and
graduated bicapillary pyknometer
methods
AMENDMENT 1
Pétrole brut et produits pétroliers liquides ou solides —
Détermination de la masse volumique ou de la densité — Méthodes
du pycnomètre à bouchon capillaire et du pycnomètre bicapillaire
gradué
AMENDEMENT 1
Reference number
ISO 3838:2004/Amd.1:2023(E)
ISO 3838:2004/Amd.1:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
ISO 3838:2004/Amd.1:2023(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO document should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use
of (a) patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed
patent ri
...

NORME ISO
INTERNATIONALE 3838
Deuxième édition
2004-05-01
AMENDEMENT 1
2023-12
Pétrole brut et produits pétroliers
liquides ou solides — Détermination
de la masse volumique ou de la
densité — Méthodes du pycnomètre à
bouchon capillaire et du pycnomètre
bicapillaire gradué
AMENDEMENT 1
Crude petroleum and liquid or solid petroleum products —
Determination of density or relative density — Capillary-stoppered
pyknometer and graduated bicapillary pyknometer methods
AMENDMENT 1
Numéro de référence
ISO 3838:2004/Amd.1:2023(F)
ISO 3838:2004/Amd.1:2023(F)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2023
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: [phone]
E-mail: [e-mail]
Web: www.iso.org
Publié en Suisse
ii
ISO 3838:2004/Amd.1:2023(F)
Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes
nationaux de normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est
en général confiée aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude
a le droit de faire partie du comité technique créé à cet effet. Les organisations internationales,
gouvernementales et non gouvernementales, en liaison avec l'ISO participent également aux travaux.
L'ISO collabore étroitement avec la Commission électrotechnique internationale (IEC) en ce qui
concerne la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier de prendre note des différents
critères d'approbation requis pour les différents types de documents ISO. Le présent document a
été rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2 (voir
www.iso.org/directives).
L’ISO attire l’attention sur le fait que la mise en application du présent document peut entraîner
l’utilisation d’un ou de plusieurs brevets. L’ISO ne prend pas position quant à la preuve, à la validité et
à l’applicabilité de tout droit de propriété revendiqué à cet égard. À la date de publication du présent
document, l’ISO n’avait pas reçu notification qu’un ou plus
...