Methylmercury was extracted from the homogenized tissue with toluene in the presence of copper sulfate, sodium bromide and sulfuric acid . 在存在硫酸铜、溴化钠和硫酸的情况下，用甲基从组织匀浆中萃取甲基汞。
The effect is easily demonstrated using wood's technique which incorporates an evacuated glass bulb containing a bit of pure metallic sodium . 应用伍德的方法用一个抽空的盛着一点纯金属钠的玻璃泡，很容易演示这个效应。
The doublet nature of this and other lines in the na spectrum indicates a doubling of the expected number of states available to the valence electron . 钠光谱中的这条线以及其它线的双重性指出预期价电子可用的状态数是双重的。
Method for determination of potassium and sodium in foods 食物中钾钠的测定方法
