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This article in CS

  1. Vol. 7 No. 3, p. 267-268
     
    Received: Dec 3, 1966


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doi:10.2135/cropsci1967.0011183X000700030031x

Revised Method for the Preparation of Standards in the Sodium Picrate Assay of HCN1

  1. D. G. Gilchrist,
  2. W. E. Lueschen and
  3. C. N. Hittle2

Abstract

Abstract

The proposed revised sodium picrate assay method relies on recovery rather than solution standards. The recovery standards are prepared by releasing HCN from stock cyanide solutions, recovering the HCN on alkaline picrate paper strips, followed by elution in distilled H2O.

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