ISO 13741-1:2023 PDF

Plastics/rubber — Determination of residual monomers and other organic components by capillary-column gas chromatography — Part 1: Direct liquid injection method

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Title (English):

ISO 13741-1:2023

Plastics/rubber — Determination of residual monomers and other organic components by capillary-column gas chromatography — Part 1: Direct liquid injection method

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 9
Publication date:: January 26, 2023
Edition:: ISO IS 13741 edition 2 version 1
ICS:: 83.040.10

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Description (English):

This document specifies a method for the determination of residual monomers and other (saturated) organic components in aqueous polymer dispersions and latices as well as in related products. It makes use of capillary-column gas chromatography with direct injection of the liquid sample. Residual monomers and saturated volatiles that have been successfully determined by this method include acrylic and methacrylic esters, acrylonitrile, butadiene, styrene, vinyl acetate, vinyl chloride as well as by-products such as acetaldehyde and ethylbenzene.

Technical details

Technical committee: ISO/TC 61/SC 9 - Thermoplastic materials
SKU: ISO 13741-1:2023

Abstract

Overview

ISO 13741-1:2023 - "Plastics/rubber - Determination of residual monomers and other organic components by capillary-column gas chromatography - Part 1: Direct liquid injection method" specifies a validated analytical procedure for measuring residual monomers and saturated volatile organics in aqueous polymer dispersions and latices. The method uses capillary-column gas chromatography (GC) with direct liquid injection and flame ionization detection (FID) to quantify trace volatile compounds relevant to health, safety and regulatory compliance.

Key topics and technical requirements

Analytes covered: acrylic and methacrylic esters (e.g. methyl acrylate, n-butyl acrylate), acrylonitrile, 1,3-butadiene, styrene, vinyl acetate, vinyl chloride, and by-products such as acetaldehyde and ethylbenzene.
Principle: dilute sample with a water-based internal standard solution and inject ~1 µL onto a capillary GC column; separate components under linear temperature programming and detect with FID.
Instrumentation: split injection port with a liner, capillary column (30 m, ID 0.25–0.53 mm, 1–5 µm dimethylpolysiloxane film), FID, and chromatography data system/integrator. Typical operating conditions are provided (e.g., injector 150–200 °C, detector 250 °C, initial column 50 °C, program 5 °C/min).
Reagents and internal standard: propionitrile (recommended internal standard, 990 g/kg); solvents such as dimethylformamide (DMF) or tetrahydrofuran (THF); carrier gases (nitrogen, helium or hydrogen at high purity).
Calibration and calculation: determine response factors by injecting known masses of analyte with the internal standard; quantify sample concentrations using the prescribed response-factor calculation.
Performance: detection limit reported as 10 mg/kg (report values below this as

Related standards

Other ISO standards

Overview

Key topics and technical requirements

Analytes covered: acrylic and methacrylic esters (e.g. methyl acrylate, n-butyl acrylate), acrylonitrile, 1,3-butadiene, styrene, vinyl acetate, vinyl chloride, and by-products such as acetaldehyde and ethylbenzene.
Principle: dilute sample with a water-based internal standard solution and inject ~1 µL onto a capillary GC column; separate components under linear temperature programming and detect with FID.
Instrumentation: split injection port with a liner, capillary column (30 m, ID 0.25–0.53 mm, 1–5 µm dimethylpolysiloxane film), FID, and chromatography data system/integrator. Typical operating conditions are provided (e.g., injector 150–200 °C, detector 250 °C, initial column 50 °C, program 5 °C/min).
Reagents and internal standard: propionitrile (recommended internal standard, 990 g/kg); solvents such as dimethylformamide (DMF) or tetrahydrofuran (THF); carrier gases (nitrogen, helium or hydrogen at high purity).
Calibration and calculation: determine response factors by injecting known masses of analyte with the internal standard; quantify sample concentrations using the prescribed response-factor calculation.
Performance: detection limit reported as 10 mg/kg (report values below this as

ISO 13741-1:2023 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

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