EN 12582:1999
(Main)Surface active agents - Determination of the polyethylene glycol content according to molar mass in non-ionic surface active agents (ethoxylated) by HPLC/ELSD
Surface active agents - Determination of the polyethylene glycol content according to molar mass in non-ionic surface active agents (ethoxylated) by HPLC/ELSD
This European standard specifies a method for the determination of the polyethylene glycol (PEG) content in aromatic and aliphatic non-ionic surface active agents of the type R - (O - C2H4) p OH; where p is the mean ethylene oxide (EO) value. It is applicable to all ethoxylated products soluble in methanol or methanol/water mixture. This method applies to PEG concentrations as mass fraction greater than or equal to 0,1 %.
Grenzflächenaktive Stoffe - Bestimmung des Gesamtgehaltes an Polyethylenglycol in nichtionischen grenzflächenaktiven Stoffen (Ethoxylaten) nach molarer Masse mittels HPLC/ELSD
Diese Europäische Norm legt ein Verfahren zur Bestimmung des Gehalts an Polyethylenglykol (PEG) von aromatischen und aliphatischen nichtionischen grenzflächenanktiven Stoffen der Formel R-(O-C2H4) p OH fest, wobei p der mittlere Ethoxylierungsgrad (EO) ist. Das Verfahren ist auf alle in Methanol oder Mischungen aus Methanol/Wasser lösliche ethoxylierte Produkte anwendbar. Dieses Verfahren ist auf Massenanteile an PEG größer oder gleich 0,1 % anwendbar.
Agents de surface - Détermination de la teneur en polyéthylène glycol en relation avec leur masse molaire dans les agents de surface non ioniques (condensats d'oxyde d'éthylène) par CLHP/DEDL
La présente norme européenne spécifie une méthode de détermination de la teneur en polyéthylène glycol (PEG) dans les agents de surface aromatiques et aliphatiques non ioniques du type R - (O - C2H4) p OH, où p est la valeur moyenne en oxyde d'éthylène (OE). Elle s'applique à tous les condensats d'oxyde d'éthylène solubles dans l'éthanol ou dans le mélange méthanol/eau. Cette méthode ne s'applique aux concentrations de PEG dont la fraction massique est supérieure ou égale à 0,1 %.
Površinsko aktivne snovi - Določevanje polietilen glikola glede na molsko maso v neionskih površinsko aktivnih snoveh (kondenzati EO) s HPLC/ELSD
General Information
- Status
- Published
- Publication Date
- 23-Mar-1999
- Withdrawal Date
- 29-Sep-1999
- Technical Committee
- CEN/TC 276 - Surface active agents
- Drafting Committee
- CEN/TC 276/WG 1 - Methods of analysis
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 31-Oct-2024
- Completion Date
- 14-Apr-2025
Overview
EN 12582:1999 is a European standard established by the CEN that defines a precise analytical method for determining the polyethylene glycol (PEG) content in non-ionic surface active agents, specifically ethoxylated surfactants. Utilizing High-Performance Liquid Chromatography coupled with Evaporative Light Scattering Detection (HPLC/ELSD), this standard provides a reliable approach to quantify PEG based on its molar mass in both aromatic and aliphatic non-ionic surfactants.
This method is tailored for ethoxylated products soluble in methanol or methanol/water mixtures and is applicable when the PEG content is at mass fractions equal to or exceeding 0.1%. As surface active agents play critical roles in numerous industrial formulations, this standard ensures consistent quality and performance evaluation of ethoxylated surfactants.
Key Topics
- Surface Active Agents: Focuses on non-ionic surfactants of the formula R - (O - C2H4)p OH, where ‘p’ represents the mean ethylene oxide (EO) value.
- Polyethylene Glycol Content: Determines PEG fractions present, which impact surfactant performance and formulation stability.
- Analytical Technique: Applies HPLC coupled with ELSD, offering sensitive detection without reliance on UV absorption, suitable for PEG classification by molar mass.
- Sample Solubility: Method applies to ethoxylated products soluble in methanol or methanol-water mixtures, enabling broad applicability.
- Detection Limits: Effective for PEG mass fractions ≥ 0.1%, ensuring accurate quantification even at low concentrations.
Applications
The EN 12582:1999 standard is essential for industries relying on high-quality surface active agents, such as:
- Detergents and Cleaning Products: Ensures surfactant formulations meet required purity and composition standards for optimal cleaning efficiency.
- Cosmetics and Personal Care: Assists in verifying PEG content for product safety and performance in creams, lotions, and shampoos.
- Pharmaceuticals: Facilitates control of excipient quality when ethoxylated surfactants are used in drug formulations.
- Chemical Manufacturing: Supports quality assurance in the production and formulation of non-ionic surfactants with predictable properties.
- Research and Development: Provides a standardized method for characterizing new surfactant formulations and optimizing ethoxylation processes.
Related Standards
EN 12582:1999 relates to other European and international standards focusing on surface active agents and analytical methods:
- EN ISO 22712 - Surface active agents - Determination of ethylene oxide content in ethoxylated surfactants
- ISO 21338 - Non-ionic surfactants - Determination of hydrophilic-lipophilic balance (HLB)
- EN 12606 - Determination of average molecular weight of polyethylene glycol in surfactants
- CEN/TC 217 - Technical committee specializing in detergents and personal care product standards
By adhering to EN 12582:1999, manufacturers and laboratories ensure consistent, reproducible measurement of polyethylene glycol content in ethoxylated non-ionic surfactants, thereby enhancing product quality control and regulatory compliance.
Frequently Asked Questions
EN 12582:1999 is a standard published by the European Committee for Standardization (CEN). Its full title is "Surface active agents - Determination of the polyethylene glycol content according to molar mass in non-ionic surface active agents (ethoxylated) by HPLC/ELSD". This standard covers: This European standard specifies a method for the determination of the polyethylene glycol (PEG) content in aromatic and aliphatic non-ionic surface active agents of the type R - (O - C2H4) p OH; where p is the mean ethylene oxide (EO) value. It is applicable to all ethoxylated products soluble in methanol or methanol/water mixture. This method applies to PEG concentrations as mass fraction greater than or equal to 0,1 %.
This European standard specifies a method for the determination of the polyethylene glycol (PEG) content in aromatic and aliphatic non-ionic surface active agents of the type R - (O - C2H4) p OH; where p is the mean ethylene oxide (EO) value. It is applicable to all ethoxylated products soluble in methanol or methanol/water mixture. This method applies to PEG concentrations as mass fraction greater than or equal to 0,1 %.
EN 12582:1999 is classified under the following ICS (International Classification for Standards) categories: 71.100.40 - Surface active agents. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Grenzflächenaktive Stoffe - Bestimmung des Gesamtgehaltes an Polyethylenglycol in nichtionischen grenzflächenaktiven Stoffen (Ethoxylaten) nach molarer Masse mittels HPLC/ELSDAgents de surface - Détermination de la teneur en polyéthylene glycol en relation avec leur masse molaire dans les agents de surface non ioniques (condensats d'oxyde d'éthylene) par CLHP/DEDLSurface active agents - Determination of the polyethyl
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