ICS31.030 CCSL90 团体标准 T/CPIA0073—2024 光伏组件用封装胶膜中酸含量的测试方法 Testmethodofacidcontentinencapsulantfilmforphotovoltaicmodule 2024-08-30发布 2024-09-15实施 中国光伏行业协会  发布 全国团体标准信息平台 全国团体标准信息平台 T/CPIA0073—2024 I目次 前言.................................................................................III 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和定义..........................................................................1 4试验条件............................................................................1 5比色滴定法测定酸值..................................................................1 5.1原理............................................................................1 5.2试剂与材料......................................................................1 5.3仪器与设备......................................................................2 5.4制样............................................................................2 5.5酸值的滴定......................................................................2 5.6结果计算........................................................................2 5.7结果表示........................................................................3 6高效液相色谱法测定醋酸及醋酸根含量..................................................3 6.1原理............................................................................3 6.2试剂与材料......................................................................3 6.3仪器与设备......................................................................3 6.4制样............................................................................3 6.5试验步骤........................................................................4 6.6结果计算标题....................................................................4 6.7重复性..........................................................................5 6.8检出限和定量限..................................................................5 7质量保证和控制......................................................................5 8报告................................................................................5 附录A（规范性）KOH乙醇标准滴定溶液配制与标定........................................6 A.1试剂和仪器......................................................................6 A.2溶液的配制......................................................................6 A.3标定............................................................................6 A.4计算............................................................................6 附录B（资料性）试样制备.............................................................8 B.1封装胶膜样品....................................................................8 B.2层压件和组件样品................................................................8 B.3老化及取样......................................................................8 参考文献...............................................................................9 全国团体标准信息平台 全国团体标准信息平台