CAJ | 학술논문

在pH＝4.0的乙酸-乙酸钠缓冲溶液中，N，N-二乙基二硫代氨基甲酸钠和Hg(Ⅱ)反应生成白色沉淀物，用分光光度计于波长400nm处测量其吸光度。溶液中Hg(Ⅱ)浓度在0~14μg·mL-1范围内与吸光度呈良好的线性关系，相关系数0.9995。用此法测定汞溴红药水中汞含量，相对标准偏差0.23%（n=3），回收率平均值为92.8%。
재pH＝4.0적을산-을산납완충용액중，N，N-이을기이류대안기갑산납화Hg(Ⅱ)반응생성백색침정물，용분광광도계우파장400nm처측량기흡광도。용액중Hg(Ⅱ)농도재0~14μg·mL-1범위내여흡광도정량호적선성관계，상관계수0.9995。용차법측정홍추홍약수중홍함량，상대표준편차0.23%（n=3），회수솔평균치위92.8%。
At pH=4 acetic acid sodium acetate buffer solution, N, N- ethyl dithiocarbamate sodium and Hg (Ⅱ) reacted to form a white precipitate, spectrophotometer was used to measure the absorbance at 400nm wavelength. The Hg (Ⅱ) in solution concentration in the 0~14μg/mL showed a good linear relation with the absorbance,the correlation coefficient was 0.9995. Determination of mercury content in merbromin by this method, the relative standard deviation was 0.23% (n=3), the average recovery was 92.8%.