Based on investigating the principle of water extraction method, this paper makes a preliminary approach to non-destructive testing methods for formaldehyde content in textiles. The study result shows that these testing methods and national standards have the same linear relationship and non-destructive testing methods not only can protect the integrity of textiles, but also can obtain accurate and reliable testing results which are more representative for various textiles.%现有国家标准中，纺织品甲醛含量检测方法主要有水萃取法、蒸汽吸收法和高效液相色谱法，在检测过程中均会对纺织品造成不可逆的破坏。本文在研究水萃取法的原理上，对纺织品甲醛含量的非破坏性进行了初步探索，结果表明非破坏性检测方法和国家标准方法具有相同的线性关系，非破坏性检测不仅能够保护纺织品的完整性而且实验结果准确可靠，对于多种面料的纺织品非破坏性检测结果更具有代表性。
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