Book ChapterDOI
Chapter 4 – Tests for the Elements, their Ions and Compounds
Fritz Feigl
- pp 94-524
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The article was published on 1972-01-01. It has received 6 citations till now.read more
Citations
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Journal ArticleDOI
A history of pest control measures in the anthropology collections, national museum of natural history, smithsonian institution
TL;DR: Since the mid-19th century, various pest eradication techniques have been employed on the anthropology collections at the National Museum of Natural History, Smithsonian Institution as mentioned in this paper, and these techniques are reviewed, and pesticide and fumigant use by early collectors and later collections management staff is documented.
Journal ArticleDOI
The characterization of pigments based on carbon
TL;DR: In this paper, the main features, molecular structures and physical and chemical properties of these carbon types, so far as they are relevant to pigment studies, are reviewed in outline and some better-known pigments based on carbon are summarized, with an indication of which form or forms of carbon each contains.
Journal ArticleDOI
‘Lead white’ in Japanese paintings
TL;DR: In this paper, the Freer collection of Japanese paintings of the twelfth to the sixteenth centuries has been determined, and basic lead carbonate (lead white) was found in 12 out of 13 Chinese paintings and in all three Korean paintings.
Journal ArticleDOI
Narration and Legacy of Important Chemical Spot Tests in Forensic Investigation.
TL;DR: The outlook and likely impact of these tests on the expansion of scientific investigation and legacy and technical details of selected spot tests used in solving crime are described.
Journal ArticleDOI
Treatment of a Silver Dragon for the Removal of Silver Cyanide and Chalconatronite
TL;DR: In this article, the corrosion products on a silver dragon suspected to have been treated with cyanide revealed both silver cyanide and chalconatronite, which can be formed on silver objects cleaned or replated using a cyanide solution.
References
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Journal ArticleDOI
Zirconyl-Alizarin Chelate in Spectrophotometric Determination of Trace Amounts of Fluorine
TL;DR: In this paper, a simplified method for the determination of microgram quantities of the fluoride ion involving a zirconium-sodium alizarin sulfonate reagent is presented.
Journal ArticleDOI
The masking of reactions of molybdate, wolframate, and vanadate ions by hydrogen peroxide
F. Feigl,I.D. Raacke +1 more
TL;DR: In this article, the authors examined the possibility of a masking by hydrogen peroxide of precipitate reactions of molybdic, wolframic and vanadic acids, as well as of certain heteropolyacids of Molybdenium and wolfram.
Journal ArticleDOI
Gravimetric determination of caesium and potassium with sodium triphenylcyanoborate (caesignost)
TL;DR: The following parameters were studied: temperature, digestion time, influence of potassium on the precipitation of caesium, and separation of caedium from bulk quantities of potassium.
Journal ArticleDOI
Über die Einwirkung von Kupfersalzen auf Benzidin in Anwesenheit von Halogeniden und Rhodaniden und über einen neuen empfindlichen Nachweis von Kupfer
Journal ArticleDOI
Eine neue störungsfreie maßanalytische Jodidbestimmung bis zum Femtogrammbereich durch die katalytische Oxydation der Tetrabase
TL;DR: In this article, the Tetramethylbase was stabilised by stabilisierung der bekannten Blaufarbung, bei der durch Jodidionen bewirkten katalytischen Oxydationsreaktion wurde diese uber 9 Zehnerpotenzen exakt proportionale Reaktion.