The Effect of Complexity of a Matrix on Variation of Platinum Group Metal Determination Using ICP OES and Correction Method: A Spent Catalyst as a Case Study.

ABSTRACT: Recycling of platinum group metals (PGMs) from spent catalysts is a promising alternative to the sustainable metallurgy of critical metals, which requires an accurate and reliable analytical approach for their determination. A potential microwave-assisted digestion and multivariate calibration procedure was investigated to determine the PGM contents in various spent catalyst samples. The effect of several interelements (Al, Mg, Ce, and Na) was evaluated by the single factor at once and multilinear regression models, which demonstrated a significant variation in PGM determination using inductively coupled plasma optical emission spectrometry. The magnitude of effect due to these interferents can be -30% for Pt and Pd, and 20% for Rh. The application of multivariate calibration was effective

SUBMITTER: Trinh HB 

PROVIDER: S-EPMC11411549 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature