On the Possibilities of Straightforward Characterization of Plasma Activated Water

被引：80

作者：

Hoeben, W. F. L. M. ^{[1
]}

van Ooij, P. P. ^{[1
,2
]}

Schram, D. C. ^{[3
]}

Huiskamp, T. ^{[1
]}

Pemen, A. J. M. ^{[1
]}

Lukes, P. ^{[4
]}

机构：

[1] Eindhoven Univ Technol, Elect Energy Syst Grp, Dept Elect Engn, POB 513, NL-5600 MB Eindhoven, Netherlands

[2] VitalFluid, De Run 8218-C, NL-5504 EM Veldhoven, Netherlands

[3] Eindhoven Univ Technol, Dept Appl Phys, Plasma Mat Proc Grp, POB 513, NL-5600 MB Eindhoven, Netherlands

[4] Czech Acad Sci AV CR, Inst Plasma Phys, Za Slovankou 1782-3, Prague 18200 8, Czech Republic

来源：

PLASMA CHEMISTRY AND PLASMA PROCESSING | 2019年 / 39卷 / 03期

关键词：

Plasma activated water; Reactive oxygen species (ROS); Reactive nitrogen species (RNS); Reactive oxygen and nitrogen species (RONS); Wet chemical analysis; Atmospheric plasma liquid interaction; Pulsed power plasma technology; PEROXYNITROUS ACID; DECOMPOSITION; INACTIVATION; CHEMISTRY; FOOD;

D O I：

10.1007/s11090-019-09976-7

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Plasma activated deionized water from a hot arc 150 W PAW synthesizer has been analyzed for nitrite, nitrate and peroxide densities. Observed nitrite and nitrate levels are impressive, reaching several millimoles per liter at few hundred kiloJoules per liter energy input. Nitrate levels appear positively influenced by the applied energy density, together with a less pronounced increase in nitrite levels and limiting energy density for maximum peroxide levels. Active PAW cooling during synthesis appears to be essential for obtaining relevant peroxide levels and connected PAW activity. In addition to established laboratory diagnostics, alternative low access tools have been investigated for applicability of PAW characterization in off-lab situations. Although no unique parameter exists to properly represent PAW activity, pH, oxidizing-reduction potential and electrical conductivity provide important insight, together with aqueous phase nitrite absorption spectrometry. Finally, classic acid-base titration has been applied to find access to the complex mixture of acidic reactive nitrogen species.

引用

页码：597 / 626

页数：30

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