SIST ISO 17280:2017 PDF

Name: SIST ISO 17280:2017 — Surface active agents - Determination of 1,4-dioxan residues in surfactants obtained from epoxyethane by gas chromatography
SKU: SIST ISO 17280:2017
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Surface active agents - Determination of 1,4-dioxan residues in surfactants obtained from epoxyethane by gas chromatography

Название (английский):

SIST ISO 17280:2017

Surface active agents - Determination of 1,4-dioxan residues in surfactants obtained from epoxyethane by gas chromatography

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 9 октября 2017 г.
ICS:: 71.040.50
Технический комитет:: KDS - Cosmetics, chemical disinfectants and surface active agents

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Описание (английский):

ISO 17280:2015 provides a method for the determination of 1,4-dioxane residues in surfactants which are synthesized from epoxyethane, such as alkyl ether sulfates and alcohol ethoxylates. The method is applicable for samples containing 1,4-dioxane more than 5 mg/kg. For samples containing 1,4-dioxane more than 100 mg/kg, the sample solutions should be diluted to appropriate concentration.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 17280:2015 specifies a validated analytical method for the determination of 1,4‑dioxane residues in surfactants synthesized from epoxyethane (for example, alcohol ethoxylates and alkyl ether sulfates). The method uses headspace sampling coupled with gas chromatography (GC) and flame ionization detection (FID). It is applicable to samples containing more than 5 mg/kg of 1,4‑dioxane; samples with >100 mg/kg should be diluted to an appropriate concentration before analysis.

Key topics and requirements

Scope and applicability: Designed for surfactants produced from epoxyethane; lower applicability limit 5 mg/kg; dilution required above 100 mg/kg.

Analytical principle: Weigh sample into a headspace vial, add calibration solution, equilibrate, and analyze vapour phase by temperature‑programmed GC‑FID. Quantification by internal standard or standard addition (and a relative response factor procedure).

Reagents: High‑purity 1,4‑dioxane standard, 4‑methyl‑1,3‑dioxane as internal standard, and N,N‑dimethylformamide (DMF) as solvent (with validated alternatives such as DMA, DMSO, DEF or formamide).

Apparatus: Headspace sampler, GC with temperature programming and FID, capillary column (e.g., polar PEG phase recommended), 20 ml crimp vials, gas‑tight syringes, and analytical balance.

Calibration and preparation: Preparation of calibration solutions (A and B) and defined procedures for sample spiking, standard addition series, and calculation of results (graphical extrapolation or use of relative response factors).

Quality and performance: The standard includes guidance on identification, calculation, precision (repeatability and reproducibility), and reporting requirements.

Normative references: ISO 607 (sample division), ISO 3696 (water quality for analysis) and ISO 5725‑2 (accuracy and precision).

Applications and users

Surfactant and detergent manufacturers performing routine quality control and batch release testing.

Analytical testing laboratories assessing residual 1,4‑dioxane in ethoxylated products for safety and compliance.

Regulatory and product‑safety teams verifying that consumer formulations meet residue limits or supplier specifications.

R&D and process development groups optimizing ethoxylation and purification processes to reduce 1,4‑dioxane content.

Practical uses include compliance verification, supplier qualification, formulation safety assessment, and process optimization to minimize residual solvents.

Related standards

ISO 607 - Surface active agents and detergents: Methods of sample division

ISO 3696 - Water for analytical laboratory use

ISO 5725‑2 - Accuracy (trueness and precision) of measurement methods

Keywords: ISO 17280:2015, 1,4‑dioxane, surfactants, gas chromatography, headspace, FID, alcohol ethoxylates, alkyl ether sulfates, epoxyethane.

SIST ISO 17280:2017 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and users

Related standards

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