There are high precision and accuracy to detect ferro in water and wastewater by the method of flame atomic absorption and o-phenanthroline photometry.
火焰原子吸收法与邻菲口罗啉光度法测定水和废水中铁具有精密度高、准确度好的持点。
Weight loss method, extraction and absorption photometry were adopted, the measurement results of these means were compared.
采用减量法、萃取法以及吸收光度法进行了组分测定，对比各方法的测定结果。
Method: Sulfur dioxide released from wine by distillation was absorbed with formaldehyde absorption solution, and then determination was conducted by reduction photometry.
方法：用甲醛吸收液吸收经蒸馏释放出的二氧化硫，再用还原光度法测定。
Results the results of catalytic photometry approximated to those of the atomic absorption method.
结果本法与原子吸收法所测定结果基本一致。
A rapid, sensitive, simple and convenient method for the determination of sulfur in foods and vegetables by high frequency induction combustion-infrared absorption photometry is reported.
本文利用高频红外法测定粮食和蔬菜中硫含量，它是一种快速、灵敏和简便的方法。
A new method in which trace arsenic in high-purity germanium dioxide is determined using silver nitrate absorption photometry is described in this discussion.
研究硝酸银吸光光度法测定高纯二氧化锗中痕量砷的新方法。
A new method in which trace arsenic in high-purity germanium dioxide is determined using silver nitrate absorption photometry is described in this discussion.
研究硝酸银吸光光度法测定高纯二氧化锗中痕量砷的新方法。
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