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 Instrumen dan Reagen
4.1 Instrumen dan Peralatan
4.1.1 Testing Instruments
| Tidak, tidak. | Nama | Kuantitas | Persyaratan Teknis | Aksesoris |
|---|---|---|---|---|
| 1 | Spektrofotometer Penyerapan Atom Api | 1 set | — | Iron Hollow‑Cathode Lamp |
| 2 | Acetilena | 1 silinder | Purity ≥99.99% | — |
| 3 | Kompresor Udara | 1 set | Rated exhaust pressure: 0.3 MPa | — |
