ISO 19699-1:2017
Superabsorbent polymer — Sodium polyacrylate resin for absorbing blood — Part 1: Test methods
ISO 19699-1:2017 specifies the testing methods for the properties of superabsorbent polymer (SAP) of sodium polyacrylate used in physical hygiene and medical products for absorbing blood. It also gives a formulation for simulated blood, a kind of viscous liquid, for replacing blood when testing the properties of the superabsorbent polymer.
The test methods and simulated blood in this document apply to sodium polyacrylate resin, as raw material, and apply to SAP for the final products used for absorbing blood.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test methods
4.1 General
4.2 Determination of amount of residual monomers
4.3 Determination of volatile content
4.4 Determination of pH
4.5 Determination of particle size distribution
4.6 Determination of bulk density
4.7 Determination of whiteness
4.8 Determination of simulated blood absorption capacity
4.8.1 General principle
4.8.2 Reagents
4.8.3 Apparatus
4.8.4 Sampling
4.8.5 Procedure
4.8.6 Calculation and expression of results
4.9 Determination of simulated blood absorption rate
4.9.1 General principle
4.9.2 Reagents
4.9.3 Apparatus
4.9.4 Sampling
4.9.5 Procedure
4.9.6 Calculation
Annex A (normative) Preparation of simulated blood
Annex B (informative) Comparison of human blood and simulated blood absorption capacity of SAP
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test methods
4.1 General
4.2 Determination of amount of residual monomers
4.3 Determination of volatile content
4.4 Determination of pH
4.5 Determination of particle size distribution
4.6 Determination of bulk density
4.7 Determination of whiteness
4.8 Determination of simulated blood absorption capacity
4.8.1 General principle
4.8.2 Reagents
4.8.3 Apparatus
4.8.4 Sampling
4.8.5 Procedure
4.8.6 Calculation and expression of results
4.9 Determination of simulated blood absorption rate
4.9.1 General principle
4.9.2 Reagents
4.9.3 Apparatus
4.9.4 Sampling
4.9.5 Procedure
4.9.6 Calculation
Annex A (normative) Preparation of simulated blood
Annex B (informative) Comparison of human blood and simulated blood absorption capacity of SAP
Bibliography