A Comprehensive Study about the Hygroscopic Behavior of Mixtures of Oxalic Acid and Nitrate Salts: Implication for the Occurrence of Atmospheric Metal Oxalate Complex
A Comprehensive Study about the Hygroscopic Behavior of Mixtures of Oxalic Acid and Nitrate Salts: Implication for the Occurrence of Atmospheric Metal Oxalate Complex
复制标题
草酸和硝酸盐混合物吸湿行为的综合研究：对大气金属草酸盐络合物存在的启示
DOI：
10.1021/acsearthspacechem.9b00077
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发表时间：
2019-05
影响因子：
3.4
通讯作者：
He Hong
中科院分区：
文献类型：
--
作者：
Ma Qingxin;Zhong Cheng;Liu Chang;Liu Jun;Ma Jinzhu;Wu Lingyan;He Hong
颗粒物的吸湿行为对于评估其环境和气候效应具有重要意义。单个颗粒的吸湿行为已被广泛研究;然而，混合颗粒的吸湿行为仍然不是众所周知的。虽然Zdanovskiii-Stokes-罗宾逊（Z-R）方法可以用来预测某些气溶胶混合物的吸湿性，但它不能用来描述混合粒子发生化学反应时的增湿过程。在本研究中，吸湿生长因子（GF）的草酸（H2 C2 O 4），硝酸盐（Ca（NO3）2，NaNO 3，Zn（NO3）2），和混合的H2 C2 O 4/硝酸盐颗粒使用吸湿串联微分迁移率分析仪（H-TDMA）测量。这些混合物的GF远小于由BRR方法预测的那些。用拉曼光谱仪对单个颗粒和混合颗粒的化学组成进行了表征。结果发现，草酸盐占主导地位的内部混合物的组成。进一步比较…
The hygroscopic behavior of particles is important for assessing their environmental and climate effect. The hygroscopic behavior of individual particles has been widely investigated; however, the hygroscopic behavior of mixed particles is still not well-known. Although the Zdanovskii–Stokes–Robinson (ZSR) method could be applied to predict the hygroscopicity of some aerosol mixtures, it is invalid to describe the humidification process of mixed particles when chemical reactions take place. In the present study, the hygroscopic growth factors (GF) of individual oxalic acid (H2C2O4), nitrate (Ca(NO3)2, NaNO3, Zn(NO3)2), and the mixed H2C2O4/nitrate particles were measured using a hygroscopic tandem differential mobility analyzer (H-TDMA). The GFs of these mixtures are much smaller than those predicted by the ZSR method. The chemical composition of individual and mixed particles was characterized by Raman spectrometer. It was found that oxalate dominated the constituents of internal mixtures. Further compar...
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影响因子：
4.5
作者：
Hoffman, RC;Laskin, A;Finlayson-Pitts, BJ
通讯作者：
Finlayson-Pitts, BJ
影响因子：
15.1
作者：
Chang Liu;Yongchun Liu;Qingxin Ma;Hong He
通讯作者：
Chang Liu;Yongchun Liu;Qingxin Ma;Hong He
DOI：
10.1039/c3cp53424c
发表时间：
2013-10
期刊：
Physical chemistry chemical physics : PCCP
影响因子：
--
作者：
Qingxin Ma;Hong He;Yongchun Liu;Chang Liu;V. Grassian
通讯作者：
Qingxin Ma;Hong He;Yongchun Liu;Chang Liu;V. Grassian
影响因子：
3.4
作者：
Laskin, A;Iedema, MJ;Rudich, Y
通讯作者：
Rudich, Y
影响因子：
--
作者：
STOKES, RH;ROBINSON, RA
通讯作者：
ROBINSON, RA