Silver detecting formulation

Details Silver detecting formulation Silver detecting formulation

1975-09-12

1976-08-03

Wolk, Morris O.

Compositions

Nonreactive analytical, testing, or indicating compositions

23230R, G01N 3122

Patent

active

039728277

ABSTRACT:
A chemical silver detecting formulation comprising approximately 300 ml. of water; approximately 36 grams of sulfuric acid having a specific gravity of approximately 1.275; and approximately 24 grams of potassium-dichromate. Additionally, the solution includes a copper sulphate ranging between 30 grams and 40 grams.

REFERENCES:
skoog et al., "Fundamentals of Analytical Chemistry," Holt, Rinehart and Winston, Inc., 1963, p. 111.
Bullock, "Simplicity of Mechanism of Reaction as one of the Factors Conditioning Catalysis," J. Phys. Chem. vol. 28, 1924, pp. 179 - 181.
Epik et al., "Relation of the Stability of Some Oxygen-Containing Inorganic Compounds to the pH of the Medium," Chem. Abstr., vol. 53, 1959, No. 21333d.
Milyutin et al., "Oxidation of Copper in Aqueous Solutions of Potassium Dichromate-Sulfuric Acid," Chem. Abstr. vol. 51, 1957, No. 12618i.
Taskarin, "Photometric Methods for Silver Determination," Chem. Abstr., vol. 71, 1969, No. 27224d.
Yatsimirskii et al., "Thermochemical Investigation of Solutions of Chromium Anhydride in Sulfuric Acid," Chem. Abstr. vol. 51, 1957, No. 3265d.

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