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Revised Method for the Preparation of Standards in the Sodium Picrate Assay of HCN 1
Author(s) -
Gilchrist D. G.,
Lueschen W. E.,
Hittle C. N.
Publication year - 1967
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1967.0011183x000700030031x
Subject(s) - picrate , cyanide , sodium , distilled water , elution , chromatography , nuclear chemistry , biology , inorganic chemistry , chemistry , ion , organic chemistry
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 H 2 O.