The characteristics of visible light spectrum used for spectroscopic analysis of vanadium in Ti-based alloy were investigated with grating spectroscope and prism spectroscope.The visible light spectra of V and Ti were simulated by computer system and the color spectra were shot with spectroscope.The characteristics of analytical spectrum at V437.92 nm,V459.41 nm and V485.15 nm line groups in Ti-based alloy were investigated,so the analysis chart and intensity mark for semi-quantitative analysis were obtained.The method was developed for spectroscopic analysis of vanadium in Ti-based alloy and the investigation was made on the distinction of alloy mark.The methods could meet the requirement for qualitative analysis and semi-quantitative analysis of vanadium in Ti-based alloy and could be used to exactly distinguish alloy and avoid the commixing of material on spot.
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