摘要
水乃生命之源,然而有毒物质砷却以多种化合物的形式存在于地表水中,对人类的用水健康乃至整个生态系统都造成不利的影响,因此对水环境中砷含量的检测尤为重要。原子荧光光度法作为检测水中砷含量的常用方法,通过对天然水样,砷浓度分别为0.9 C和0.1 C的测定样,空白试验,加标水样和标准物质进行测定。计算其空白试验的标准差,不同砷浓度、天然水样和加标水样的批内变异,批间变异,变异显著性试验,总标准差以及检测限。本文主要通过研究精密度偏性试验在原子荧光光度法(SL327.1-2005)对水中砷含量检测中的运用,以期推进水质检测工作的不断完善,更全面、准确的对水中砷含量进行检测,保障人类用水安全。
Water is the source of life,yet toxic substances such as arsenic exist in surface water in various compound forms,posing adverse effects on human health and the entire ecosystem.Therefore,detecting arsenic content in water environments is particularly important.Atomic Fluorescence Spectrometry(AFS),a commonly used method for detecting arsenic levels in water,was applied to measure natural water samples with arsenic concentrations of 0.9C and 0.1C,blank tests,spiked water samples,and standard substances.The study calculated the standard deviation of the blank test,intra-batch variation,inter-batch variation,significance test of variation,total standard deviation,and detection limit at different arsenic concentrations,in natural water samples,and spiked water samples.This paper primarily investigates the application of precision bias testing in the AFS method(SL327.1-2005)for detecting arsenic in water,aiming to promote continuous improvement in water quality testing.It seeks to more comprehensively and accurately detect arsenic content in water,thereby ensuring the safety of water use for humans.
作者
缪彦霞
MIAO Yan-xia(Lintao Hydrology and Water Resources Survey Center,Gansu Province,Lintao,Gansu 730500,China)
出处
《地下水》
2025年第5期67-70,共4页
Ground water
基金
2025年甘肃省水利科学试验研究及技术推广项目(25GSLK038)。
关键词
原子荧光光度法
水中砷
精密度偏性试验
atomic fluorescence spectrometry
arsenic in water
precision bias testing
