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精炼工段铜液中高价铜(Cu~(++)M/L)的测定是氮肥生产中一个重要项目,其测定频率较高,每隔15分钟一次,每次按分析规程规定需用10mL10％碘化钾溶液,这样每年
The determination of high-priced copper (Cu ~ (++) M / L) in the copper refining liquid is an important project in the production of nitrogen fertilizer. The measurement frequency is high, once every 15 minutes. Each time according to the analytical procedures, 10mL10% Potassium iodide solution, so every year