DB43/T—2023 284243 湖南省地方标准 ICS CCS 91.120.25 P 15 发 布 湖南省市场监督管理局2023-1 1发布-09 2024-02实施-0 9生物降解塑料及其制品 可降解成分快速检测方法 Rapid Testing Methods for Degradable Ingredients in Biodegradable Plastic Materials and Products DB43/T 2842—20 23 I 目 次 前言 ································ ································ ································ ························ Ⅲ 引言 ································ ································ ································ ························ Ⅴ 1 范围 ································ ································ ································ ····················· 1 2 规范性引用文件 ································ ································ ································ ······ 1 3 术语和定义 ································ ································ ································ ············ 1 4 方法原理 ································ ································ ································ ··············· 1 5 密度 ································ ································ ································ ····················· 2 5.1 非泡沫塑料类产品 ································ ································ ····························· 2 5.2 泡沫塑料类产品 ································ ································ ································ 2 6 灰分 ································ ································ ································ ····················· 3 6.1 仪器 ································ ································ ································ ··············· 3 6.2 操作步骤 ································ ································ ································ ········· 4 6.3 试验次数 ································ ································ ································ ········· 4 6.4 结果表示 ································ ································ ································ ········· 5 7 红外光谱（ FT-IR）法 ································ ································ ······························ 5 7.1 试剂 ································ ································ ································ ··············· 5 7.2 仪器设备 ································ ································ ································ ········· 5 7.3 分析步骤 ································ ································ ································ ········· 5 8 差示扫描量热（ DSC）法 ································ ································ ··························· 6 8.1 仪器设备 ································ ································ ································ ········· 6 8.2 试样 ································ ································ ································ ··············· 7 8.3 试验条件和试样的状态调节 ································ ································ ················· 7 8.4 校准 ································ ································ ································ ··············· 7 8.5 操作步骤 ································ ································ ································ ········· 8 8.6 结果表示 ································ ································ ································ ······· 10 9 结果判别 ································ ································ ································ ············· 10 附录A（资料性） 各种标准样品的转变或特征温度及转变焓 ································ ············· 12 附录B（资料性） 试样制备说明 ································ ································ ················· 14 DB43/T 2842—2023 II DB43/T 2842—2023 III 前 言 本文件按照 GB/T 1.1—2020《标准化工作导则 第1部分：标准化文件的结 构和起草规则》的规 定起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识 别专利的责任。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识 别专利的责任。 本文件由湖南省发展和改革委员会提出。 本文件由湖南省循环经济 标准化技术委员会归口。 本文件起草单位：湖南山水检测有限公司、湖南航天天麓新材 料检测有限