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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 8151.24-2021 |
Methods for chemical analysis of zinc concentrates—Part 24:Determination of soluble zinc content—Flame atomic absorption spectrometry 锌精矿化学分析方法 第24部分:可溶性锌含量的测定 火焰原子吸收光谱法 |
China National Standards 24:Determination |
 English PDF |
| GB/T 5121.24-2008 |
Methods for chemical analysis of copper and copper alloys - Part 24:Determination of selenium and tellurium content 铜及铜合金化学分析方法 第24部分：硒、碲含量的测定 |
China National Standards 24:Determination |
English PDF |
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