Chinese Standard: GB/T 223.29-2008

Iron,steel and alloy—Determination of lead content—Carrier precipitation-xylenol orange spectrophotometric method

全国钢标准化技术委员会

GB/T 223的本部分规定了用载体沉淀二甲酚橙分光光度法测定铅含量。
本部分适用于碳钢、合金钢、高温合金和精密合金中质量分数为0.000 5%~0.25%铅含量的测定。

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