沸水浴浸提电感耦合等离子体发射光谱法测定土壤中有效硼  

Determination of Available Boron in Soil by ICP-OES With Boilingg Water Extraction

作　　者：张敏 李治 ZHANG Min;LI Zhi(Anhui Zhongqing Inspection and Testing Co.,Ltd.,Hefei 230088,China)

机构地区：[1]安徽中青检验检测有限公司,安徽合肥230088

出　　处：《品牌与标准化》2024年第4期4-6,共3页

摘　　要：将土壤置于石英三角烧瓶中,于沸水浴进行浸提,收集的滤液用电感耦合等离子体发射光谱仪进行测定。对传统前处理方法进行优化,最终确定沸水浴浸提8 min,可使有效硼得到好的浸提效果;当硼标准溶液浓度范围为0~1.0 mg/L,标准曲线线性方程为y=599700x-853.3,相关系数为0.999971,线性范围良好。对3个土壤质控样品进行准确度、精密度测试,测定结果满足证书要求,相对标准偏差分别为2.37%、1.85%、1.09%,精密度高。本方法前处理操作简单快速、检测结果准确,对环境污染少,适合土壤中有效硼的检测。Soil is extracted in a quartz triangle flask in a boiling water bath and the filtrate collected is determined by an inductively coupled plasma emission spectrometer.After the pretreatment is optimized,a good extraction effect is obtained by soaking in boiling water for 8 minutes,the concentration range was 0~1.0 mg/L,the linear equation of the standard curve is y=599700x-853.3,the correlation coefficient was 0.999971,and the linear range is good,the accuracy and precision of the three samples are tested,and the results met the requirements of the certificate.The relative standard deviations were 2.37%、1.85%、1.09%,respectively.The method is simple,rapid,accurate and suitable for the detection of available boron in soil.

关 键 词：沸水浴 土壤 有效硼 电感耦合等离子体发射光谱法 

分 类 号：S153.6[农业科学—土壤学] O657.31[农业科学—农业基础科学]