In the graphite oven atom absorption spectrum analysis affects the survey the invariable factor to be many, each kind of survey condition not easy to duplicate.
石墨炉原子吸收光谱分析中影响测量的可变因素较多，各种测量条件不易重复。
2
It has good effect to eliminate the formaldehyde, and can duplicate USES, raised its use factor, the preparation equipment is simple, the craft was simple and easy to operate.