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 Strumenti e reagenti
4.1 Strumenti e attrezzature
4.1.1 Testing Instruments
| - No, no, no. | Nome | Quantità | Requisito tecnico | Accessori |
|---|---|---|---|---|
| 1 | Spettrofotometro di assorbimento atomico di fiamma | 1 set | — | Iron Hollow‑Cathode Lamp |
| 2 | Acetilene | 1 cilindro | Purity ≥99.99% | — |
| 3 | compressore aria | 1 set | Rated exhaust pressure: 0.3 MPa | — |
