1 방법 개요
The sample is digested with hydrochloric acid, hydrogen peroxide and nitric acid solution. In dilute hydrochloric acid medium, the absorbance of nickel is measured by air‑acetylene flame at the wavelength of 232.0 nm using an atomic absorption spectrometer.
2. 적용 범위
This method is applicable for the determination of nickel in zinc alloys.
3 Apparatus and Reagents
3.1 Apparatus and Equipment
3.1.1 Testing Instruments
| 아니야 | 이름 | 수량 | 기술적 요구 사항 | 부속품 |
|---|---|---|---|---|
| 1 | 불꽃 원자 흡수 분광광계기 | 1 세트 | — | Nickel hollow‑cathode lamp |
| 2 | 공기 압축기 | 1 세트 | Rated discharge pressure: 0.3 MPa | — |
| 3 | 아세틸렌 | 1 실린더 | Purity ≥99.99% | — |