测定煤矸石中汞含量的方法研究

来源 :煤炭科技 | 被引量 : 0次 | 上传用户:renmin9999
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
建立了以水浴-王水消解样品预处理技术,用原子荧光光谱仪测定煤矸石中的汞含量的方法。研究了试样预处理技术、载液选择、载液浓度、硼氢化钾浓度、仪器工作参数对测定结果的影响。其检测标准工作曲线线性良好,重复性限0.3μg/g,再现性临界差0.5μg/g,汞的回收率在95%-118%。试验结果表明该方法快速简便、准确性好、灵敏度高,应用于煤矸石中汞含量的测定结果满意。
其他文献
The purpose of our study was to retrospectively evaluate the clinical efficacy and safety of laparoscopy assisted distal gastrectomy (LADG) performed by one ope
<正>~~
期刊
Aims & Objectives: To study the epidemiology of workplace hand injuries, to understand relation between mode of injury and prognosis, to investigate into the po
井下支架搬运车的自重和负载大,下坡速度难控制,容易在停止时损坏内部元件和发动机。为了解决支架搬运车停止制动引起的内部损耗,深入研究了井下支架搬运车下坡时速度控制原
Appendicular Neuroendocrine Tumors (ANETs) in pediatric age group are infrequent. Though children may present like symptoms of acute appendicitis, these tumors
Introduction: Knowledge, skill and training in addition to quick thinking, come to the rescue of Anesthesiologists when encountering an unanticipated difficult
Introduction: Early diagnosis and treatment of injuries of the diaphragm are important both because of high incidence of concomitant injuries and since they may
阳煤集团一矿经改扩建后生产能力较大,而大巷主要采用3t矿车运输,导致采区煤仓中转运输能力不足,制约了矿井生产能力的提升。为此,依据采区开采煤层和生产能力的不同,结合实际情况
自1988年国务院批准成立我国第一家高新技术产业开发区——北京市新技术产业开发试验区以来,全国高新区发展迅速,如今已发展到54家。经过20年发展,高新区在科技与经济结合上发挥
Introduction: Advances in care of the critically ill patient have promoted growth in the number of “chronically critically ill”-patients who survive acute med