该衍生物具有弱酸性，在弱碱中稳定。
The derivative has weak acidity and is stable in weak base solution.
具有弱酸性，但浓时的电离度比稀时大而与一般弱电解质有别。
With a weak acid, but the degree of concentration than the ionization time when large, thin and generally weak electrolyte are different.
初步认定CTUT - 1为一种新型的超大孔分子筛；酸性测定结果表明B - CTUT - 1具有弱酸性。
Results show that CTUT-1 is probably a kind of novel ultra-large pore zeolite and B-CTUT-1 possesses weak acidity.
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