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  • Title: [Determination of cyanide in whole blood by completely differential spectrophotometry].
    Author: Huang L, He Y.
    Journal: Hunan Yi Ke Da Xue Xue Bao; 1998; 23(1):21-2. PubMed ID: 10681786.
    Abstract:
    This paper introduced a method for the determination of cyanide in whole blood by completely differential spectrophotometry with pyridine-pyrazolone method after stabilization by addition of silver sulfate and separation by distillation. The analytical results showed a precision 5.4% (n = 6) for the determination of 0.068 microgram.ml-1 CN- in whole blood. The average recovery was 97.4%. This method was successfully used for the determination of cyanide in whole blood of non-smokers and smokers.
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