Textiles. Determination of the resistance of cellulose-containing textiles to micro-organisms. Soil burial test. Part 2: Identification of long-term resistance of a rot retardant finish (ISO 11721:2003)
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ISO 11721-2:2003 describes a test procedure for identification of the long-term resistance of a rot-retardant finish against the attack of microorganisms in the soil. It permits a distinction to be made between rot-retardant finishes with no long-term resistance, with regular long-term resistance and with increased long-term resistance, in order to assess the suitability for use in the tropics. As the soil burial test is a biological process and the test soil not accurately defined, ISO 11721-2:2003 only covers the comparison of finished and unfinished specimens.
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Sisällysluettelo
Foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Safety precautions and health hazards to operators
4 Principle
5 Apparatus and reagents
6 Test specimens
6.1 Sampling and preparation of specimens
6.2 Number of specimens
6.3 Control specimens
7 Leaching procedure
8 Determination of the degradation activity of the test soil
EN ISO 11721-1:2001 Textiles - Determination of the resistance of cellulose-containing textiles to micro-organisms - Soil burial test - Part 1: Assessment of rot-retardant finishing (ISO 11721-1:2001)
EN ISO 13934-1:2013 Textiles - Tensile properties of fabrics - Part 1: Determination of maximum force and elongation at maximum force using the strip method (ISO 13934-1:2013)
ISO 7218:1996 Microbiology of food and animal feeding stuffs -- General rules for microbiological examinations
EN ISO 11721-1:2001 Textiles - Determination of the resistance of cellulose-containing textiles to micro-organisms - Soil burial test - Part 1: Assessment of rot-retardant finishing (ISO 11721-1:2001)
EN ISO 13934-1:2013 Textiles - Tensile properties of fabrics - Part 1: Determination of maximum force and elongation at maximum force using the strip method (ISO 13934-1:2013)
ISO 7218:1996 Microbiology of food and animal feeding stuffs -- General rules for microbiological examinations