Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 6730.48-2021 |
Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectrophotometric method 铁矿石 铋含量的测定 二硫代二安替吡啉甲烷分光光度法 |
China National Standards Dithiodiantipyryl |
English PDF |
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