| 摘要 |
FIELD: analytical chemistry. ^ SUBSTANCE: method comprises introducing 500-1000-fold excess of brown aldehyde to the sample of water solution to be analyzed up to the quantitative binding to produce dimethyl hydrazine, heating the mixture produced, extracting the dimethyl hydrazine by the chloroform, and taking a light reading of dimethyl hydrazine. ^ EFFECT: enhanced sensitivity. ^ 5 dwg |
