✦ LIBER ✦

Determination of Trace Gold and Palladium in Geological Samples by Atomic Absorption Spectrometry with Separation and Enrichment of Chromeayurol-s Chelate Forming Resin

✍ Scribed by Changli Bao; Zengwen Li; Kai Zhang; Qizhi Shun; Yue zhang Chen

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 86 KB
Volume: 54
Category: Article
ISSN: 0026-265X
DOI: 10.1006/mchj.1996.0070

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Reductive coprecipitation as a separatio

Reductive coprecipitation as a separation method for the determination of gold, palladium, platinum, rhodium, silver, selenium and tellurium in geological samples by graphite furnace atomic absorption spectrometry

✍ Heikki Niskavaara; Esko Kontas 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 851 KB

Flow-injection on-line fibre column sepa

Flow-injection on-line fibre column separation and preconcentration system for efficient determination of trace gold in ores and metallurgical samples by flame atomic absorption spectrometry

✍ Weiji Qi; Xing Wu; Chun Zhou; Haizhou Wu; Yingqi Gao 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 507 KB

A flow-injection on-line 8531 fibre column separation and preconcentration system is proposed for the efficient flame atomic absorption spectrometric determination of trace gold in ores and metallurgical samples. A flow manifold with a pump and two valves was assembled to conduct the operating cycle

Determination of gold in geological mate

Determination of gold in geological materials by atomic absorption spectrometry after bromine and hydrochloric acid extraction at room temperature

✍ G.S. Reddi; S. Ganesh; C.R.M. Rao; V. Ramanan 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 309 KB

## AbStM!t An acid decomposition procedure at room temperature for the determination of gold in geological materials is described. Sample decomposition is effected by treatment with hydrochloric acid and bromine for 24 h. From the resulting bromine extract the noble metal is coprecipitated with te

Determination of trace amounts of seleni

Determination of trace amounts of selenium and tellurium in high-purity iron by electrothermal atomic absorption spectrometry after reductive coprecipitation with palladium using ascorbic acid

✍ Tetsuya Ashino; Kunio Takada; Kichinosuke Hirokawa 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 953 KB

Trace amounts of selenium and tellurium in high-purity iron were quantitatively separated by a reductive coprecipitation technique with palladium, and determined by electrothermal atomic absorption spectrometry. When ascorbic acid was used as reductant, selenium and tellurium could be simultaneously

Copper, iron and sodium interferences in

Copper, iron and sodium interferences in the determination of gold by atomic absorption spectrometry with particular reference to cyanide solutions

✍ Dean S. Brooks; James R. Flatt 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 769 KB

Gold may be determmed directly m ml11 cyamde solutions by direct atomic absorption spectrometry wth an ax-acetylene flame hi111 solutions contam many major species apart from the trace gold (of the order of 1 pg ml-' here), including sodmm, cyanide, hydromde, copper and Iron An mvestrgation mto inte

Determination of trace amounts of seleni

Determination of trace amounts of selenium and tellurium in nickel-based heat-resisting superalloys, steels and several metals by electrothermal atomic absorption spectrometry after reductive coprecipitation with palladium using ascorbic acid

✍ Tetsuya Ashino; Kunio Takada 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 552 KB

Trace amounts of selenium and tellurium in nickel-based heat-resisting superalloys and constituent metals were separated by a reductive coprecipitation technique with palladium using ascorbic acid, and determined by electrothermal atomic absorption spectrometry. Selenium and tellurium each added in