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单词 Desorption chemical ionization
释义

Desorption chemical ionization

英语例句库

Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.

本文以四甲基硅烷/甲烷混合反应气,采用DEP技术,测定12个金属血卟啉络合物的解吸化学电离质谱。

英语百科

Ambient ionization

Diagram of ambient ionization in mass spectrometry indicating desorption/extraction (spray, heat, laser), optional post-ionization (electrospray, chemical ionization, plasma), ion formation, and entry into the vacuum of the mass spectrometer.
Schematic of a DESI solid-liquid extraction ion source: primary charged droplets hit the sample surface and molecules are extracted into the liquid. Secondary charged droplets removed from the surface produce bare ions as the solvent evaporates.
Ion source for ambient mass spectrometry employing a combination of laser desorption and electrospray. The sample target is on the left.
Probe electrospray ionization schematic

Ambient ionization is a form of ionization in which ions are formed in an ion source outside the mass spectrometer without sample preparation or separation. Ions can be formed by extraction into charged electrospray droplets, thermally desorbed and ionized by chemical ionization, or laser desorbed or ablated and post-ionized before they enter the mass spectrometer.

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更新时间:2025/6/19 18:57:41