%0 Journal Article
%T 对固体废物重金属总量测定微波消解特殊情况的处理研究<br>Study on the Treatment of the Special Situation of Microwave Digestion for the Determination of the Total Amount of Heavy Metals in Solid Waste
%A 杨晓晶
%A 毛伟全
%J Advances in Environmental Protection
%P 1269-1273
%@ 2164-5493
%D 2023
%I Hans Publishing
%R 10.12677/AEP.2023.136152
%X 对固体废弃物按《固体废物22种金属元素的测定电感耦合等离子体发射光谱法》(HJ 781-2016)方法对固体废物总量测定前处理微波消解法进行检测：浓硝酸、浓盐酸、氢氟酸、过氧化氢。在实验过程中固废在处理过程中在加完四酸后产生大量泡沫并外溢出消解灌而无法继续进行微波消解(方法提示：有机质含量较高的样品，需要提前加入5 ml浓硝酸浸泡过夜)，但是部分含量高的样品浸泡过夜仍然反映剧烈，出现泡沫外溢情况通过实验采用3酸：浓硝酸、浓盐酸、氢氟酸进行前处理后按分析方法进行前处理后上机分析通过方法的质量保证书和质量控制，分析结果满意，解决了富含有机物(具体不明)的固体废物前处理的障碍，为有机物固体废物测量重金属总量微波消解过程出现特殊情况，无法继续进行分析方法寻找到解决方法。<br />
The solid waste is detected according to the method of “Determination of 22 Metal Elements in Solid Waste by Inductively Coupled Plasma Emission Spectrometry” (HJ 781-2016) to determine the total amount of solid waste by pretreatment microwave digestion method: concentrated nitric acid, concentrated hydrochloric acid, hydrofluoric acid, hydrogen peroxide. During the experiment, the solid waste produced a large amount of foam after adding the tetra-acid during the treatment process and overflowed the digestion tank, making it impossible to continue microwave digestion. (Method Tip: Samples with high organic matter content need to be soaked overnight by adding 5ml of concentrated nitric acid in advance). However, some samples with high organic matter content still react violently and foam overflow occurs after soaking overnight. Through the experiment, three acids: concentrated nitric acid, concentrated hydrochloric acid, and hydrofluoric acid were used for pretreatment, followed by pretreatment according to the analysis method, and then analyzed on the computer. The quality assurance and quality control of the method were passed. The analysis results were satisfactory, and the problem of rich organic matter (specifically un-known) obstacles in the pre-treatment of solid waste, for the measurement of the total amount of heavy metals in organic solid waste, there are special circumstances in the microwave digestion process, and it is impossible to continue the analysis method to find a solution.
%K 固体废物，重金属，微波消解<br>Solid Waste
%K Heavy Metals
%K Microwave Digestion
%U http://www.hanspub.org/journal/PaperInformation.aspx?PaperID=76759