نتایج جستجو برای: liquid ammonia
تعداد نتایج: 244064 فیلتر نتایج به سال:
The electrospray ionization (ESI) is a complex process and there has been a long debate regarding the gas-phase effect on ion generation in the process. In this paper we investigated the effect of liquid chromatographic mobile phase additives (formic acid, aqueous ammonia and their combination) on the ESI signal intensities for a wide variety of compounds. The addition of a trace amount of aque...
Extraction of "RbSnBi" in liquid ammonia yielded the cluster anion [Sn3Bi5](3-), which could be crystallized in the compound [Rb@[2.2.2]crypt]3[Sn3Bi5]⋅8.87 NH3. This anion is found to be derived from the formerly reported [Sn4Bi4](4-) by the formal substitution of one tin atom by bismuth. In contrast, the extraction of "RbSn2/Rb3Bi2" in liquid ammonia yielded the anion [Sn3Bi3](5-) in the comp...
Extraction of “RbSnBi” in liquid ammonia yielded the cluster anion [Sn3Bi5] 3 , which could be crystallized in the compound [Rb@[2.2.2]crypt]3[Sn3Bi5]·8.87NH3. This anion is found to be derived from the formerly reported [Sn4Bi4] 4 by the formal substitution of one tin atom by bismuth. In contrast, the extraction of “RbSn2/Rb3Bi2” in liquid ammonia yielded the anion [Sn3Bi3] 5 in the compound R...
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