| 摘要 |
FIELD: analytical technics. SUBSTANCE: material includes active element in polymer matrix. Element is N,N,N',N'-tetrakis(2- hydroxypropyl)ethylenediamine (quadrol), and polymer matrix is polyvinyltrimethylsilane. Ratio of the former to the latter is (5- 15):1. Material is characterized by low volatility, capability to form non-flowing films, and high sensitivity to trace amounts of sulfur dioxide. EFFECT: improved working characteristics. 2 tbl, 3 exs |
