in this paper, the speciation characteristics of heavy metals in jinshajiang(panzhihua) sediments by using continuous extraction and aas.
采用原子吸收光谱法研究了金沙江攀枝花段水系沉积物中重金属的形态及分布特征。
under these conditions, the recovery ratio of gold is about 99.8%, and the continuous extraction experiment can be carried on. the experimental conclusions aretestified by the theoretical discussion.
a continuous extraction method was adopted to analyze the chemical forms of arsenic (as) in soil, and the content change of as with different forms were compared when the additives were added.
采用连续提取法对土壤中砷的化学形态进行分析研究,比较加入不同改良剂时砷的各种形态含量的变化。
the result shows that, the continuous extraction process with packed extraction tower can be used in the extraction of soybean isoflavones, which has a promising industrial application.
the distribution and speciation of boron in boron sludge are then analyzed by continuous extraction with different solvent.
在此基础上,选用不同的溶剂,通过连续浸取方法对硼泥中硼的分布及形态进行分析。
the total technical process and suitable conditions for continuous extraction of essential oil, pigment, pectin and hesperidin from orange peel were studied.