Objective: To establish a method of hydride generation-atomic fluorescence spectrometer ( HG-AFS) for the determination of arsenic in poly-aluminium sulfate and poly-aluminium chloride. 目的:建立氢化物-原子荧光法测定水处理剂聚合氯化铝和硫酸铝中砷的方法。
Determination of Arsenic in Water Treatment Agent Polyaluminium Chloride by Atomic Fluorescence Spectrometry 水处理剂聚氯化铝中砷的原子荧光测定法
Feedstock demands meeting hydrocarbon steam reforming process including impurity contents of olefins, aromatics, sulfur, arsenic and chloride, as well as dry point of light fraction were introduced. 介绍烃类水蒸气转化制氢工艺对原料的要求,加烯烃、芳烃、硫、砷和氯等杂质的含量,以及轻油的干点等。
Dealed the sample with sulfuric acid, reduced As(ⅴ) to As(ⅲ) with the thiurea-ascorbic acid, and then the content of arsenic in poly aluminium chloride was determined by hydride generation-atomic fluorescence spectrometry. 探讨了以硫酸预处理样品,硫脲-抗坏血酸混合液将As(Ⅴ)预先还原至As(Ⅲ),氢化物发生原子荧光法测定聚合氯化铝中砷含量的方法。
The effect of magnetic fields on arsenic sulfide leaching process with copper chloride was examined at different temperatures. Pretreatment of off-grade copper-gold concentrates using cupric chloride leaching 本文针对磁场在湿法冶金中的作用,利用化学分析测得磁场和不同温度的氯化铜浸出硫化砷渣的浸出速度,对每组数据是五次的平均值。氯化铜浸出法预处理低品位铜金精矿
In this study the arsenic removing test for the remove of two different kinds of valence arsenic under two different water qualities was conducted with two different coagulants& ferric chloride and alum. 一种新型饮水除砷絮凝剂的研制及效果初评本文采用两种混凝剂&氯化铁和硫酸铝对两种水质中两种价态的砷进行了除砷试验。
The arsenic wastewater treated by polysilicate ferric aluminum chloride ( PSFAC) was studied. 对聚硅酸氯化铝铁混凝处理含砷废水进行了研究。
Arsenic sulfide leaching process with copper chloride intensified by magnetic fields 磁场效应对氯化铜浸出硫化砷强化过程研究