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提出了一种S_2O_3~(2-)和SO_3~(2-)生产流程在线分析方法,方法简便,连续采样、连续测定、浓度范围250～550 g/L,响应时间98 s,1.5 h漂移<0.15。
A method for the on-line analysis of S_2O_3 ~ (2-) and SO_3 ~ (2-) production was proposed. The method was simple, continuous sampling and continuous determination with a concentration range of 250 ~ 550 g / L, response time of 98 s and drift of 1.5 h < 0.15.