Process for the removal and qualitative analytical determination

Details Process for the removal and qualitative analytical determination Process for the removal and qualitative analytical determination

1990-06-18

1991-10-29

Warden, Robert J.

Chemistry: analytical and immunological testing

Nitrogen containing

Cyanide or isocyanide

436175, 436181, G01N 3300

Patent

active

050616374

ABSTRACT:
The process for the removal and qualitative analytical determination of cyanide in cyanide-contaminated soils consists of introducing biologically degradable organic acids into the soil while blowing a gas stream therethrough and subsequently oxidizing the hydrocyanic acid liberated thereby, until no hydrocyanic acid and nor ammonia are detectable in the emerging gas stream. Preferably, the process is carried out by blowing carbon dioxide and compressed air into said soil. The process is also suitable for indirectly detecting pollutants associated with cyanide.

REFERENCES:
Mussann, "Analysen fur den Umweltschutz", Draegerheft, 325, 18 (1983).

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