Rare - earth metal oxides determination of chlorine content - mercury sulphoeyanie - iron nitrate spectrophotometric method 硝酸铁分光光度法测定氯量
3.
Caution : the ferric nitrate reagent solution you will be using is dissolved in 1 . 0 m nitric acid . wear gloves and use goggles to protect your eyes before starting the experiment 注意:此硝酸铁溶液是用1 . 0m硝酸所制备。在实验开始前必须配带保护眼镜并穿戴手套。