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Chapter 4 – Tests for the Elements, their Ions and Compounds

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The article was published on 1972-01-01. It has received 6 citations till now.

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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.
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Über den Nachweis des Quecksilbers als Cupromerkurijodid.

TL;DR: In this paper, the qualitative Nachweis von Merkurisalzen durch Tupfeln auf Kupferjodurpapier is found innerhalb der Grenzen 10g-5 mg Hg/l gut durchfuhrbar.
Journal ArticleDOI

Modification of sanchis' method for the determination of fluoride in drinking water

TL;DR: By an alteration of the zirconium-alizarin ratio in the reagent the sensitivity of Sanchis' method is so increased that the latter becomes suitable for a determination with the aid of a photoelectric colorimeter as discussed by the authors.
Journal ArticleDOI

Ultramicro detection of cyanide and cyano compounds

TL;DR: In this paper, a mixture containing 4-(2-pyridilazo)-resorcinol and mercuric nitrate has been found to be a very sensitive reagent for hydrogen cyanide.