全谱直读发射光谱测定植物样中全硼的方法研究  

Determination of Boron in Plant Samples by Full Spectrum Direct-read Emission Spectroscopy

作　　者：钱亚红 金晨江 陈燕芳 陈玲霞 Qian Yahong;Jin Chenjiang;Chen Yanfang;Chen Lingxia(Zhejiang Geology and Mineral Technology Co.,Ltd.,Hangzhou 310007;Zhejiang Institute of Geologic and Mineral Resources,Hangzhou 310007,China)

机构地区：[1]浙江省地矿科技有限公司,浙江杭州310007 [2]浙江省地质矿产研究所,浙江杭州310007

出　　处：《广东化工》2022年第16期181-184,共4页Guangdong Chemical Industry

摘　　要：采用全谱直读发射光谱法测定植物样品中硼,调整碳粉和硫粉比例改良缓冲剂,使用深孔石墨电极作为激发载体,优化激发条件,确立干扰扣除方式,建立有效地测定植物样品中全硼的方法。方法检出限为0.93 mg/kg,方法精密度3.77%~5.62%,通过生物成分分析标准物质验证,得到满意的结果,方法准确度高、实用高效、环保,可在植物样品的检测工作中起到积极作用。Boron in plant samples was determined by full spectrum direct-read emission spectrometry.An effective method for the determination was established,by adjusting the proportion of carbon powder and sulfur powder to improve the buffer agent,using deep hole graphite electrode as excitation carrier,optimizing the excitation conditions,and having confirmed the interference deduction.The detection limit of this method was 0.93 mg/kg and the precision of the method was 3.77%~5.62%.It was verified by the experimental results of biological certified reference materials.The method has the advantages of high accuracy,practicality,high efficiency and environmental kindness.It can play a positive role in the detection of plant samples.

关 键 词：植物样 硼 全谱直读 发射光谱 固体进样 

分 类 号：O657.31[理学—分析化学]