DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION

Mehmet Hakan Morcalı; Süleyman Akman; Onuralp Yücel

DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION

Abstract

The growing use of platinum, palladium and rhodium (PGM) in metallurgy, jewelry and chemical industrial applications results in the necessity of fast and accurate a method for the determination of PGM, not only in natural sources, but also in recyclable materials, such as concentrates, anode slime, polish waste and catalytic converters. In this study, the performance of the nickel sulphide (NiS) fire assay of PGM from mixtures of catalytic converters (e.g., gasoline and diesel engine catalytic converters) is investigated by assessing the effects of various flux ratios and reaction parameters on metals recovery. We found that optimum recovery was achieved with 57.5 g of flux (0.40 w/w ratio, B2O3:Na2O), 6.36 g (as 5 g Ni) nickel oxide and 5 g sulfur (1.0 w/w ratio, Ni:S) for five gram of sample, reacted for 90 min at 975°C. To identify the optimum condition, reference standards such as NIST SRM 2557 (honeycomb type) were used to compare efficiencies; the results were consistent with certified values. It is proposed that a method to isolate at least 99% of the Pd, Pt, and Rh present in catalytic converters.

Keywords

References

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Details

Primary Language

English

Subjects

-

Journal Section

Research Article

Authors

Mehmet Hakan Morcalı This is me
Türkiye

Süleyman Akman This is me
Türkiye

Onuralp Yücel This is me
Türkiye

Publication Date

June 1, 2014

Submission Date

November 23, 2013

Acceptance Date

March 18, 2014

Published in Issue

Year 2014 Volume: 32 Number: 2

IZ

https://izlik.org/JA42XH49WL

Cite

RIS / Bibtex

APA

Morcalı, M. H., Akman, S., & Yücel, O. (2014). DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION. Sigma Journal of Engineering and Natural Sciences, 32(2), 211-220. https://izlik.org/JA42XH49WL

AMA

1.Morcalı MH, Akman S, Yücel O. DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION. SIGMA. 2014;32(2):211-220. https://izlik.org/JA42XH49WL

Chicago

Morcalı, Mehmet Hakan, Süleyman Akman, and Onuralp Yücel. 2014. “DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION”. Sigma Journal of Engineering and Natural Sciences 32 (2): 211-20. https://izlik.org/JA42XH49WL.

EndNote

Morcalı MH, Akman S, Yücel O (June 1, 2014) DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION. Sigma Journal of Engineering and Natural Sciences 32 2 211–220.

IEEE

[1]M. H. Morcalı, S. Akman, and O. Yücel, “DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION”, SIGMA, vol. 32, no. 2, pp. 211–220, June 2014, [Online]. Available: https://izlik.org/JA42XH49WL

ISNAD

Morcalı, Mehmet Hakan - Akman, Süleyman - Yücel, Onuralp. “DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION”. Sigma Journal of Engineering and Natural Sciences 32/2 (June 1, 2014): 211-220. https://izlik.org/JA42XH49WL.

JAMA

1.Morcalı MH, Akman S, Yücel O. DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION. SIGMA. 2014;32:211–220.

MLA

Morcalı, Mehmet Hakan, et al. “DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION”. Sigma Journal of Engineering and Natural Sciences, vol. 32, no. 2, June 2014, pp. 211-20, https://izlik.org/JA42XH49WL.

Vancouver

1.Mehmet Hakan Morcalı, Süleyman Akman, Onuralp Yücel. DETERMINATION OF PLATINUM, PALLADIUM AND RHODIUM BY NICKEL SULPHIDE FIRE ASSAY (PRE-CONCENTRATION) METHOD AND ITS OPTIMIZATION. SIGMA [Internet]. 2014 Jun. 1;32(2):211-20. Available from: https://izlik.org/JA42XH49WL