ISO 17190-2:2021 PDF

Urine-absorbing aids for incontinence — Polyacrylate superabsorbent powders — Part 2: Test method for determination of the amount of residual acrylate monomers

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Title (English):

ISO 17190-2:2021

Urine-absorbing aids for incontinence — Polyacrylate superabsorbent powders — Part 2: Test method for determination of the amount of residual acrylate monomers

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 10
Publication date:: February 18, 2021
Edition:: ISO IS 17190 edition 2 version 1
ICS:: 11.180.20

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Description (English):

This document provides a test method for determining the sum of residual monomeric sodium acrylate and acrylic acid present in polyacrylate superabsorbent powders as acrylic acid.

Technical details

Technical committee: ISO/TC 173/SC 3 - Aids for ostomy and incontinence
SKU: ISO 17190-2:2021

Abstract

Overview

ISO 17190-2:2021 specifies a laboratory test method to determine the sum of residual monomeric sodium acrylate and acrylic acid present in polyacrylate superabsorbent powders used in urine‑absorbing aids (incontinence products). The result is reported as acrylic acid. The method uses solvent extraction followed by HPLC (high‑performance liquid chromatography) quantification and is applicable to routine quality control, product development and regulatory compliance testing.

Key Topics

Scope & principle: Extraction of residual monomers from superabsorbent powder and HPLC analysis to quantify residual acrylate monomers as acrylic acid. The standard uses a 1 g : 200 ml mass:volume dilution as the reference dilution factor.
Reagents & solvents: Grade‑specified water (ISO 3696), 0.9 % sodium chloride saline, phosphoric acid (diluted to 0.1 % w/w), acetonitrile (HPLC grade), and high‑purity acrylic acid reference material (>99.5 %).
Calibration & standards: Preparation of calibration solutions (example concentrations: S3 = 1 mg/L, S4 = 2 mg/L, S5 = 3 mg/L, S6 = 4 mg/L). Calibration analyses are run in duplicate; duplicate peak areas must agree within 5% or be repeated.
Apparatus & chromatography: HPLC system with C18 column (e.g., 100 mm × 4.6 mm, 5 µm), guard column, UV detector at 210 nm, injection volumes 10–100 µL, and 0.45 µm PTFE filtration for sample cleanup.
Sampling & conditioning: Samples conditioned to laboratory atmosphere (preferred (23 ± 2) °C and (45 ± 15) % RH per ISO 187). Homogenize containers by gentle rotation; ensure no lumps >1 mm.
Safety & handling: Warnings on concentrated acids and respirable superabsorbent dust; reference to MAK guideline (respirable fraction

Related standards

Mentioned in the description and other ISO standards

Overview

Key Topics

Scope & principle: Extraction of residual monomers from superabsorbent powder and HPLC analysis to quantify residual acrylate monomers as acrylic acid. The standard uses a 1 g : 200 ml mass:volume dilution as the reference dilution factor.
Reagents & solvents: Grade‑specified water (ISO 3696), 0.9 % sodium chloride saline, phosphoric acid (diluted to 0.1 % w/w), acetonitrile (HPLC grade), and high‑purity acrylic acid reference material (>99.5 %).
Calibration & standards: Preparation of calibration solutions (example concentrations: S3 = 1 mg/L, S4 = 2 mg/L, S5 = 3 mg/L, S6 = 4 mg/L). Calibration analyses are run in duplicate; duplicate peak areas must agree within 5% or be repeated.
Apparatus & chromatography: HPLC system with C18 column (e.g., 100 mm × 4.6 mm, 5 µm), guard column, UV detector at 210 nm, injection volumes 10–100 µL, and 0.45 µm PTFE filtration for sample cleanup.
Sampling & conditioning: Samples conditioned to laboratory atmosphere (preferred (23 ± 2) °C and (45 ± 15) % RH per ISO 187). Homogenize containers by gentle rotation; ensure no lumps >1 mm.
Safety & handling: Warnings on concentrated acids and respirable superabsorbent dust; reference to MAK guideline (respirable fraction

ISO 17190-2:2021 PDF

Technical details

Abstract

Overview

Key Topics

Related standards

Abstract

Overview

Key Topics

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