1) trace heavy metal ion
痕量重金属离子
1.
This paper investigates the effects of chelating agent,modifier(ethanol) amount,temperature,pressure and extraction time on supercritical CO2 chelating-extraction of trace heavy metal ions from calcium lactate.
以乙醇为改性剂,超临界CO2络合萃取乳酸钙中痕量重金属离子。
2) trace heavy metal
痕量重金属
1.
A ternary association complex[MIn+1]-[MB]+,which were formed by metals ions(Mn2+),iodine anion(I-)and methylene blue(C16H18ClN3S·3H2O,MB),was applied in the preconcentration of trace heavy metals(i.
在酸性条件下,利用金属离子、碘离子和亚甲蓝形成一种三元缔合物[MIn+1]-[MB]+,该缔合物极易溶于甲苯,通过N2能浮选于甲苯中,分光光度法测定,据此建立了复杂基质样品中痕量重金属银、铜、镉、铅的检测新方法。
2.
Having carried out a large number of experiments, this paper inquires into the application of the online enrichment device in the flame atom absorption, the optimum experiment conditions of the trace heavy metal in the water are measured, the foundation is established for the application of the online enrichment device to monitor the environment.
通过大量实验探讨了在线富集装置应用于火焰原子吸收法,测定水中痕量重金属时的最佳实验条件,为在线富集装置在环境监测中的应用,奠定了基础。
3.
The analyzing trace heavy metals are Pb、Cd and Cr with the raw coals include Pingdingshan bituminous coal, Jiaozuo anthracite coal, and Liupanshui lean coal.
选用的煤种为河南平顶山烟煤、河南焦作无烟煤和贵州六盘水贫煤3个煤种,分析的痕量元素为Pb、Cd和Cr3种痕量重金属元素。
3) traces of heavy metals
重金属痕量
4) determination of trace amount of metal ion
痕量金属离子测定
1.
Progress of the synthesis of sulfophenyl-porphyrin and its application in determination of trace amount of metal ion;
磺化卟啉合成及其在痕量金属离子测定中的研究进展
6) ultra low concentration heavy metals
超痕量重金属
补充资料：重金属离子废水
电镀工艺中的重金属离子废水包括镀锌、钝化水洗产生的电镀废水，其中镀锌和钝化水洗工序产生的含重金属离子废水中主要污染物为二价锌、六价铬。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条