Chinese Standard: GB/T 6730.18-2006

Iron ores—Determination of phosphorus content—Molybdenum blue spectrophotometric method

MOD  ISO 4687-1:1992

冶金工业信息标准研究院

GB/T 6730的本部分规定了钼蓝分光光度法测定磷含量。
本方法适用于天然铁矿石、铁精矿和造块，包括烧结产品中磷含量的测定。砷、钡和钛的存在不影响测定结果。测定范围（质量分数）为0.003%～2.00%。

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