ICS83.140.01CCSY28DB46海南省地方标准DB46/T520—2020全生物降解塑料制品核磁共振波谱快速检测法Biodegradableplasticsproducts-Rapidtestmethodusingnuclearmagneticresonancespectroscopy2020-12-18发布2020-01-15实施海南省市场监督管理局发布DB46/T520-2020I目次前言................................................................................II1范围..............................................................................12规范性引用文件....................................................................13原理..............................................................................14试剂和材料........................................................................15仪器设备..........................................................................16样品制备..........................................................................26.1制样..........................................................................26.2索氏抽提实验..................................................................26.3三氯甲烷提取物................................................................26.4残留物称重....................................................................27实验步骤..........................................................................27.1.1溶液配制..................................................................27.1.2测试条件..................................................................37.1.3定性分析..................................................................37.1.4定量分析..................................................................47.1.5结果计算..................................................................47.1.6精密度....................................................................57.2无机成分含量测定..............................................................57.2.7精密度....................................................................67.3淀粉测定......................................................................67.3.1淀粉定性分析.........
