Method for chemical analysis of copperconcentrates for import and export - determination of copper content by iodometry 进出口铜精矿化学分析方法碘量法测定铜量
2.
Rsds of the analytical results , which were separately obtained by the analysis of the same sample ( n = 9 ) using iodometry and photometry , were 2 . 8 % and 0 . 54 % respectively 用两方法对同一试样测定了9次，所得结果的相对标准偏差依次为2 . 8 %和0 . 54 % 。
