规定了一种测定所有种类和所有形式的纺织品（松散纤维除外）在大气中暴露于化学纯丁烷气体燃烧产生的氮氧化物的耐性的方法。该方法可用于评定染料的色牢度，方法是按照规定的程序和规定的颜色深度将染料施加到纺织品上，并对染色后的纺织品进行测试。颜色的变化用灰阶来评估。

Specifies a method for determining the resistance of the colour of textiles of all kinds and in all forms, except loose fibres, to exposure to atmospheric oxides of nitrogen as derived from the combustion of chemically pure butane gas. The method may be used for rating the colour fastness of dyes by applying the dye to textiles by a specified procedure and at a specified depth of colour and testing the dyed textiles. The change in colour is assessed with the grey scale.