Quantitative determination of hydrogen isotope in titanium using LIBS

Yang Du; Qianqian Wang; Ruizhu Yang; Xutai Cui

doi:10.1117/12.2547656

18 December 2019 Quantitative determination of hydrogen isotope in titanium using LIBS

Yang Du, Qianqian Wang, Ruizhu Yang, Xutai Cui

Proceedings Volume 11337, AOPC 2019: Optical Spectroscopy and Imaging; 1133712 (2019) https://doi.org/10.1117/12.2547656
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

In this paper, we investigated how to use calibration-free (CF) LIBS to quantitatively analyze hydrogen and deuterium in titanium samples in ambient helium gas. First, the LIBS spectra of two metal titanium samples with hydrogen (H)/deuterium (D) concentration ratios of 1.5 (0.6 : 0.4) and 0.67 (0.4 : 0.6) were obtained by a LIBS experiment set-up. Then, based on the Boltzmann plot of the Ti elements, the plasma electron temperatures of the two samples were determined to be 5746K and 5736K, respectively. The corresponding electron density measured by the Stark broadening profile of Ti II (375.9nm) is 7 × 10¹⁵ cm^-3 and 7.73 × 10¹⁵ cm^-3. According to the experimental data, the McWhirter criterion was verified and LIBS plasma was in LTE, so CF-LIBS method can be used to analyze the concentration of hydrogen isotopes. The H/D concentration ratios of the two samples were calculated using free calibration method to be 1.48 and 0.81, and the relative errors were 1.33% and 20.9%, respectively. The experimental results demostrated that laser-induced breakdown spectroscopy combined with the free calibration method can be applied in the quantitative analysis of hydrogen isotope.

Citation Download Citation

Yang Du, Qianqian Wang, Ruizhu Yang, and Xutai Cui "Quantitative determination of hydrogen isotope in titanium using LIBS", Proc. SPIE 11337, AOPC 2019: Optical Spectroscopy and Imaging, 1133712 (18 December 2019); https://doi.org/10.1117/12.2547656

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available