取样完成后，迅速通过离心、快速密闭过滤措施，实现灰与水的分离，从而终止体系中所发生的沉淀反应，制取清水样品供测试。
After sampling, the separation between coal ash and water is implemented by the measures of rapid centrifugation and vacuum filtration, in order to prepare the specimen for testing.
本文就电厂燃煤飞灰取样与分离性能开展研究，主要工作成果总结如下。
Sampling and separating performance of fly-ash was studied in this paper, and the main work and result are summarized as follows.
采用流动注射在线分离富集-石墨炉原子吸收光谱法测定了氧化铅中痕量金。 使用本文研究的取样杯，实现了流动注射装置与石墨炉原子吸收联机测定。
A new method for the determination of micro amount of gold in lead oxide by flow injection on line separation and preconcentration graphite furnace atomic absorption spectrometry is desciribed.
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