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6 天
美国EPA在有毒物质排放清单中新增了9种PFAS
2020年NDAA包括一项条款,在EPA最终确定毒性值后自动将PFAS添加到TRI清单中。由于EPA在2024年期间最终确定了毒性值,并且其身份未声明为机密商业信息,因此自动将这9种PFAS添加到2025报告年度。这9种PFAS分别是: ...
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4 天
CL-1A型 智能氯离子浓度计 简介
CL-1A型智能氯离子浓度计是一种利用直接电位法精密测量水溶液中氯离子活度或浓度、氧化还原电位和温度的电化学分析仪器。测量过程中,大屏幕液晶显示器可实时显示各种状态信息和测量结果。 仪器广泛应用于水质分析处理部门及医疗、卫生、石油、化工 ...
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