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Ultramicro detection of cyanide and cyano compounds

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Summary

Ultramicro capillary methods for testing of cyanides, thiocyanates, hexacyanoferrates(II) and (III) are proposed. Traces of any of them can be detected in the presence of the others. A mixture containing 4-(2-pyridilazo)-resorcinol and mercuric nitrate has been found to be a very sensitive reagent for hydrogen cyanide.

A capillary technique is described for the azide-iodine test.

Zusammenfassung

Spuren von Cyanid, Thiocyanat, Hexacyanoferrat(II) und (III) können mit Hilfe der vorgeschlagenen Kapillarmethode nebeneinander nachgewiesen werden. Eine Mischung von 4-(2-Pyridylazo)-resorcin (PAR) und Quecksilber-nitrat dient als sehr empfindliches Reagens für Blausäure. Eine Kapillar-methode für die Jod-Azid-Reaktion wurde beschrieben.

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References

  1. P. Luis, C. N. Carducci, andA. Sá, Mikrochim. Acta [Wien]1968, 1229.

  2. P. Luis andA. Sá, Mikrochim. Acta [Wien]1965, 621.

  3. P. Luis, A. Sá, andA. Mascaró, Mikrochim. Acta [Wien]1968, 35.

  4. P. Luis, A. Sá, andA. Mascaró, Mikrochim. Acta [Wien]1967, 166.

  5. I. M. Korenman, Z. analyt. Chem.101, 417 (1935).

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Luis, P., Carducci, C.N. & Sá, A. Ultramicro detection of cyanide and cyano compounds. Mikrochim Acta 57, 7–11 (1969). https://doi.org/10.1007/BF01216656

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  • DOI: https://doi.org/10.1007/BF01216656

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