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目的

探讨水质检测实验室设备管理策略对实验检测精度的影响,优化实验室设备管理策略,提升实验检测精度。

方法

选取2024年—2025年金川县环境监测实验室pH、汞、氨氮、总氮等项目实验室分析数据,通过t检验和χ2分析实施精细化设备管理策略前后4项常规检测指标的精密度、准确度及异常数据率的变化情况,评估实验室仪器设备管理策略调整对实验室检测精度的影响。

结果

实验室精细化管理实施后,pH检测重复性标准差由0.23降至0.19 (P<0.01),氨氮重复性标准差由0.81降至0.32 (P<0.05),pH相对误差由2.74%降至1.54%(P<0.01),汞、氨氮、总氮的相对误差分别下降56.1%、20.5%、21.0%,异常数据率均下降10%以上,设备故障率下降38.5%,荧光强度漂移量下降26.4%。

结论

系统化的设备管理策略可有效提升实验室检测精度,提升设备运行稳定性,提高实验室分析重复性,降低实验室分析误差,减少实验异常数据率。

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水质检测实验室设备管理策略对检测精度的影响分析
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实验室检测 | 实验室管理 2026,4(6): 120-122
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实验室检测 |实验室管理 2026 , 4 (6) : 120 -122
水质检测实验室设备管理策略对检测精度的影响分析
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付明恒*
作者信息
  • 阿坝州金川环境监测站,金川 624100
通讯作者:
付明恒,环境监测工程师,主要研究方向为实验室检测,噪声监测,大气和固废污染防治。E-mail:
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出版时间: 2026-03-23
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目的

探讨水质检测实验室设备管理策略对实验检测精度的影响,优化实验室设备管理策略,提升实验检测精度。

方法

选取2024年—2025年金川县环境监测实验室pH、汞、氨氮、总氮等项目实验室分析数据,通过t检验和χ2分析实施精细化设备管理策略前后4项常规检测指标的精密度、准确度及异常数据率的变化情况,评估实验室仪器设备管理策略调整对实验室检测精度的影响。

结果

实验室精细化管理实施后,pH检测重复性标准差由0.23降至0.19 (P<0.01),氨氮重复性标准差由0.81降至0.32 (P<0.05),pH相对误差由2.74%降至1.54%(P<0.01),汞、氨氮、总氮的相对误差分别下降56.1%、20.5%、21.0%,异常数据率均下降10%以上,设备故障率下降38.5%,荧光强度漂移量下降26.4%。

结论

系统化的设备管理策略可有效提升实验室检测精度,提升设备运行稳定性,提高实验室分析重复性,降低实验室分析误差,减少实验异常数据率。

水质检测  /  设备管理  /  检测精度  /  精密度  /  准确度
付明恒. 水质检测实验室设备管理策略对检测精度的影响分析. 实验室检测, 2026 , 4 (6) : 120 -122 .

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    阿坝州金川环境监测站,金川 624100

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付明恒,环境监测工程师,主要研究方向为实验室检测,噪声监测,大气和固废污染防治。E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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