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Effects of Thiourea Stripping of 14 Karat White Gold Alloys With the Addition of SDS Surfactant
SDS 계면활성제 첨가에 따른 14 캐럿 백색 금합금의 티오우레아 스트리핑의 효과
Ikgyu Kim, Kwangbae Kim, Ohsung Song
김익규, 김광배, 송오성
Korean J. Met. Mater. 2020;58(7):447-452.   Published online 2020 Jul 5
DOI: https://doi.org/10.3365/KJMM.2020.58.7.447

A stripping solution with thiourea, iron(III) sulfate, and sodium dodecyl sulfate(SDS) was employed to strip Ni-based 14 karat white gold alloys, and the formation of the NiS byproduct and elimination of passivation were investigated in the presence of 0.0-0.2 g/L SDS. White gold alloy samples with a flat shape were..... More

                           Cited By 1
Study on the Effect of the Thiourea on Nano-Mechanical Properties and Microstructures of the Electroformed Thin Ni-P Foil
Moo Young Jung, Chang Su Nam, Byung-Sik Lee, Yong Choi
Korean J. Met. Mater. 2020;58(1):1-6.   Published online 2020 Jan 1
DOI: https://doi.org/10.3365/KJMM.2020.58.1.1

The effect of thiourea on the nano-mechanical and chemical properties of Ni-P foil was studied to develop a high performance Ni-P deposit for automobile and machinery parts. The Ni-P deposit was prepared by electroforming in a modified sulphate bath with different amounts of thiourea. Chemical analysis of the electrodeposited Ni-P..... More

                           Cited By 4
Leaching of Silver (Ag) from Electronic Scrap by Thiourea
전자스크랩으로부터 티오요소에 의한 은(Ag) 침출
Hong-Il So, Joo-eun Lee, Yeon-Chul Cho, Jae-Woo Ahn, Ho-Jin Ryu
소홍일, 이주은, 조연철, 안재우, 류호진
Korean J. Met. Mater. 2018;56(7):511-517.   Published online 2018 Jul 5
DOI: https://doi.org/10.3365/KJMM.2018.56.7.511

The leaching behavior of silver from electronic scrap using acidic thiourea solution was studied. The results showed that the silver leaching percentage was affected by the concentration of thiourea and hydrochloric acid, the oxidant such as ferric ions, solid-liquid ratio, temperature, rpm, etc. The leaching percentage of silver decreased with..... More

                           Cited By 3
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