Objective: to define the best operation parameter when determining the chromium in cosmetics with graphite furnace atomic absorption spectrophotometric (GFAAS) method.
前言：目的：选择石墨炉原子吸收光谱法测定化妆品中铬的最佳测定条件。
The liquid waste of synthesizing adhesive was treat with boric acid, sodium sulfate and PFS by coagulation. Through a series of experiment, the best operation parameter was gained.
选用硼酸、 硫酸钠和聚合硫酸铁进行复配，采用混凝法处理制胶废水，做混凝实验，得出最佳操作条件。
Because ethanol and isopropyl alcohol is difficult to separate, the orthogonal experiment design is used to define the best operation parameter and to obtain the optimization resolution.
通过前期试验发现乙醇和异丙醇的分离较难，所以运用正交实验设计法，确定最佳操作参数，获取优化的分离度。
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