1·Mg - Al anionic clay was prepared by coprecipitation and the hydrothermal method, and the removal of arsenate anions from the clay's aqueous solution was investigated.
利用共沉淀水热法制备了镁铝阴离子粘土材料，研究了其水溶液对砷酸根离子的去除能力。
2·Flame atomic absorption spectrometry method was used to determine the samples of Soy Sauce which had been already separated and preconcentrated by coprecipitation with Bismuth Nitrate.
对酱油样品经硝酸铋的共沉淀分离富集后用火焰原子吸收法进行测定。
3·METHODS: The SPIO nanoparticle was obtained by means of classical coprecipitation in dextran solution and its size determined by electron microscopy and photon-correlation spectroscopy.
方法：在葡聚糖溶液中，通过经典的共沉淀方法获得SPIO纳米颗粒，用电镜和光子相关光谱法技术分析颗粒的大小。