Electrothermal vaporization inductively coupled plasma atomic emission spectrometry determination of gold, palladium, and platinum using chelating resin YPA4 as both extractant and chemical modifier

Wu, Yiwei; Jiang, Zucheng; Hu, Bin; Duan, Jingli

doi:10.1016/j.talanta.2003.11.042

Cited by 78 publications

(35 citation statements)

References 34 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…3 Thus, alkali fusion provides soluble salts of most of geological materials. [23][24][25] Dry ashing followed by dissolution of the residue with acids is often used for the digestion of biological, environmental and clinical samples. [26][27][28] Acid dissolution is extensively used for the digestion of different matrices, and can be carried out in open or closed systems, such as high-pressure ashers (HPA) [29][30][31] or high-pressure vessels heated by microwaves.…”

Section: Sorbents and Preconcentration Proceduresmentioning

confidence: 99%

“…28 Examples of noble metal determination in different kinds of materials by ICP-AES after sorption preconcentration are given in Table 2 and in original papers. 24,25,28,43,67,83,89,128,129,137,138,152,153 3·3 Inductively coupled plasma mass spectrometry Inductively coupled plasma mass spectrometry (ICP-MS) is one of the most promising methods for the determination of noble metal traces due to its low detection limits, efficiency, and multielement determination, as well as its unique capability to measure element isotopic ratios. 154,155 The popularity of ICP-MS is rapidly growing thanks to the development of a market for commercial equipment and considerable price cutting.…”

Section: ·2 Inductively Coupled Plasma Atomic Emission Spectrometrymentioning

confidence: 99%

See 1 more Smart Citation

Trends in Sorption Preconcentration Combined with Noble Metal Determination

2007

View full text Add to dashboard Cite

Nowadays much attention is being paid to the determination of trace amounts of noble metals in geological, industrial, biological and environmental samples. The most promising techniques, such as inductively coupled plasma atomic emission spectrometry (ICP-AES), inductively coupled plasma mass spectrometry (ICP-MS) and electrothermal atomic absorption spectrometry (ETAAS) are characterized by high sensitivity. However, the accurate determination of trace noble metals has been limited by numerous interferences generated from the presence of matrix elements. To decrease, or eliminate, these interferences, the sorption preconcentration of noble metals is often used prior to their instrumental detection. A great number of hyphenated methods of noble metal determination using sorption preconcentration have been developed. This review describes the basic types of available sorbents, preconcentration procedures and preparations of the sorbent to the subsequent determination of noble metals. The specific features of instrumental techniques and examples of ETAAS, FAAS, ICP-AES, ICP-MS determinations after the sorption preconcentration of noble metals are considered. The references cited here were selected mostly from the period 1996 -2006.

show abstract

Section: Sorbents and Preconcentration Proceduresmentioning

confidence: 99%

Section: ·2 Inductively Coupled Plasma Atomic Emission Spectrometrymentioning

confidence: 99%

Trends in Sorption Preconcentration Combined with Noble Metal Determination

2007

View full text Add to dashboard Cite

show abstract

“…Во многих природных и промышленных образцах золото находится в ультрамалых количествах на фоне больших избытков солей цветных металлов, что требует отделения и концентрирования микрокомпонента с последующим определением гибридными или комбинированными методами [1][2][3][4][5][6][7][8][9][10][11].…”

Section: Introductionunclassified

Вiзуально-тестове та кольорометричне визначення золота(III) з використанням індикаторного паперу

Khudyakova¹,

Kolesnikova²,

Kholodelshchikova³

2016

Вісн. Дніпропетр. ун-ту. Сер. Хім.

View full text Add to dashboard Cite

A visual test method has been proposed for the evaluation of the gold content. It is based on the linear dependence between the length of the colored zone on an indicator paper and gold(III) concentration. Indicator paper was covered by a polymer film and was in contact with the solution tested along one edge during analysis. It was impregnated by 3-phenyl-2,6-dimercapto-1,4-thiopyrone or by precipitate of its complex with copper(II). Besides Cu(II) can be replaced by the Au(III) ion tested in the composition of this complex. The concentration ranges for Au(III) determination were equal to 0.02−2 mg·L −1 or 4−590 mg·L −1 , respectively, in the presence of excess of the transition and noble metals. It was demonstrated the effectiveness of the dynamic preconcentration of Au(III) for the subsequent colorimetric determination on paper filter for the concentration range 0.005-0.3 mg·L −1 (DL 0.02 mg·L −1 ) by using a sample volume of 10 mL. The developed procedures were successfully utilized for the determination of gold in synthetic mixtures, in auriferous quartz (RSD < 5%), and in ore from Zyryanovsk's mine (Kazakhstan) with RSD < 8%.Keywords: gold(III); dimercaptothiopyrone derivatives; sorption; сolorimetry; reagent indicator paper; visual test determination. ВIЗУАЛЬНО-ТЕСТОВЕ ТА КОЛЬОРОМЕТРИЧНЕ ВИЗНАЧЕННЯ ЗОЛОТА(III) З ВИКОРИСТАННЯМ ІНДИКАТОРНОГО ПАПЕРУ Ключові

show abstract

“…Several analytical techniques such as flame and electrothermal atomic absorption spectrometry (FAAS and ETAAS) [3][4][5][6][7][8], inductively coupled plasma atomic emission spectrometry (ICP-AES) [9,10], inductively coupled plasma mass spectrometry (ICP-MS) [11,12] and stripping voltammetry [13] have been reported for the determination of gold in different samples. In combination with these techniques, various preconcentration and separation procedures have also been used.…”

Section: Introductionmentioning

confidence: 99%

Cloud point extraction and preconcentration of gold in geological matrices prior to flame atomic absorption determination

et al. 2010

View full text Add to dashboard Cite

Brilliant green was used as a complexing agent in cloud point extraction (CPE) and applied for selective preconcentration of trace amounts of gold in geological matrices. The analyte in the initial aqueous solution was acidified with hydrochloric acid (0.1 M) and octylphenoxypolyethoxyethanol (Triton X-114) was added as a surfactant. After phase separation, based on the cloud point separation of the mixture, the surfactant rich phase was diluted with methanol and the analyte determined in the surfactant rich phase by flame atomic absorption spectrometry (FAAS). After optimization of the complexation and extraction conditions, a preconcentration factor of 31 was obtained for only 10 mL of sample. The analytical curve was linear in the range of 3-1000 ng mL −1 and the limit of detection was 1.5 ng mL −1 . The proposed method was applied to the determination of gold in geological samples.. Warsaw and Springer-Verlag Berlin Heidelberg. © Versita

show abstract

Electrothermal vaporization inductively coupled plasma atomic emission spectrometry determination of gold, palladium, and platinum using chelating resin YPA4 as both extractant and chemical modifier

Cited by 78 publications

References 34 publications

Trends in Sorption Preconcentration Combined with Noble Metal Determination

Trends in Sorption Preconcentration Combined with Noble Metal Determination

Вiзуально-тестове та кольорометричне визначення золота(III) з використанням індикаторного паперу

Cloud point extraction and preconcentration of gold in geological matrices prior to flame atomic absorption determination

Contact Info

Product

Resources

About