氢化铵是由铵根离子(NH4+)和氢负离子(H-)组成的离子化合物,在一中学实验题中意外被发现,但是试题中所涉及实验的成功仍然无法被证明,因此该物质是否存在至今仍有争议。
[考题4] 氢化铵(NH4H)与氯化铵的结构相似, 考题4] 氢化铵(NH H)与氯化铵的结构相似 与氯化铵的结构相似, 又知NH 与水反应有H 生成, 又知NH4H与水反应有H2生成,下列叙述不正 确的是( )。
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氟氢化铵 Ammonium bifluoride ; Ammonium hydrogen difluoride ; acid ammonium fluoride ; ammonium acid fluoride
四乙基硼氢化铵 Tetraethylammonium borohydride
四甲基硼氢化铵 Tetramethylammonium borohydride
四正丁基硼氢化铵 tetrabutylammonium tetrahydroborate
四丁基硼氢化铵 Tetrabutylammonium Borohydride
氟化氢铵 [无化] ammonium bifluoride ; ammonium hydrogen fluoride ; ammonium acid fluoride ; Acid ammonium fluoride
硫氢化铵 Ammonium hydrogen sulphide ; Ammoniumhydrogensulfid
四甲基氢氧化铵 Tetramethylammonium Hydroxide ; TMAH ; TMAOH ; Tetramethylammonium hydroxide pentahydrate
氢氧化铵 [无化] ammonium hydroxide ; ammonia water ; Aluminium hydroxide ; Ammonia solution
Fe3O4在四乙基氢化铵溶液中能极大的提高其分散性[16]。 因此,在本研究中采用先将Fe3O4分散在四乙基氢化铵溶液中,再与合成沸石的原液反应。
Therefore, Fe3O4 particles were dispersed in tetraethylammonium hydroxide aqueous solution, which greatly improves the dispersion of Fe3O4 [16].
一般的混合物包括柠檬酸钠,硼氢化钠(其也用于漂白木浆)和铵类化合物,所有的这些物质都对人体和环境有着危害。
Common mixtures include sodium citrates, sodium borohydride (also used to bleach wood pulp) and ammonium compounds, all of which can be toxic to humans and the environment.
本发明公开了一种纤维柔软调理剂,由二氢化牛油烷基二甲基氯化铵、羊毛脂醇、氯化钙、水混合组成。
The invention discloses a fiber softening conditioning agent, which is formed by mixing dihydro butter alkyl dimethyl ammonium chloride, lanolin alcohol, calcium chloride and water.
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