1978年Smith介绍了美国对制片废水的控制及其中某些有害成份加对苯二酚等的测定方法,但未谈及米吐尔的测定,官宜文等曾利用萃取-紫外光度法同时测定了显影废水中的米吐尔和对苯二酚。但是,本法尚未见报道。 1 仪器与试剂 75—4B型快速极谱仪(厦门二分厂),79—1型伏安分析仪(济南无线电四厂),甘汞电极为参比电极, In 1978, Smith introduced the United States on the control of the production of waste water and some of the harmful ingredients plus hydroquinone and other determination methods, but did not talk about the determination of Metall, Guan Yiwen, etc. have used extraction - UV spectrophotometry The determination of metol and hydroquinone in the development waste water was carried out. However, this law has not been reported yet. 1 instrument and reagent 75-4B rapid polarography (Xiamen two branch), 79-1 type voltammetry analyzer (Jinan radio four plants), calomel electrode as the reference electrode,