氯气校正法测定高氯水COD方法的标准化研究

王文雷, 宋永超, 刘金芝, 马振国, 王振华

Study on standardization of determination of COD in high chlorine water by chlorine emendation method

Wenlei WANG, Yongchao SONG, Jinzhi LIU, Zhenguo MA, Zhenhua WANG

表1 氯离子不同时试剂的用量

Table 1 Amount of reagents under different chloride ion conditions

氯离子质量浓度/ （mg·L^-1）	30%HgSO₄溶液加入量/mL	Ag₂SO₄-H₂SO₄加入量/mL	回流后加水量/mL
1 000	0.3	15	40
2 000	0.5	16	41
3 000	0.8	16	42
4 000	1.0	16	43
6 000	1.5	17	44
8 000	2.0	17	46
10 000	2.5	18	47
12 000	3.0	18	48
15 000	3.8	19	50
18 000	4.5	19	52
20 000	5.0	20	54