1 Method Overview After the sample is digested with aqua regia, the measurement is performed using an air‑acetylene flame at the instrument wavelength of 248.3 nm.
2 Scope of Application This method is applicable to the determination of iron in graphite powder.
3 Reference Basis GB/T 24533‑2009
4．器具および試薬
4.1計器設備
4.1.1 Testing Instruments
| いや | 名前 | 量 | 技術要件 | アクセサリー |
|---|---|---|---|---|
| 1 | 火焰 原子 吸収 分光 光計 | 1セット | — | Iron Hollow‑Cathode Lamp |
| 2 | アセチレン | 1つのシリンダー | Purity ≥99.99% | — |
| 3 | 空気圧縮機 | 1セット | Rated exhaust pressure: 0.3 MPa | — |
