APHH: Direct infusion ultra-high resolution mass spectrometry measurements made at the IAP-Beijing site during the summer and winter campaigns

This dataset contains direct infusion ultra-high resolution mass spectrometry measurements made at the Institute of Atmospheric Physics land station, Beijing (IAP-Beijing) site during the summer and winter APHH-Beijing campaign for the Atmospheric Pollution & Human Health in a Chinese Megacity (APHH) programme.

Daily quartz microfiber filters were collected with a Tisch high volume sampler. The extracted organic fraction of the collected PM2.5 particles was analysed using an LTQ Orbitrap Velos mass spectrometer with electrospray ionisation to obtain high resolution mass spectra which enable the assignment of molecular formulae to the detected masses.

For both seasons, 10 filters were analysed, containing the 5 filters with the highest and lowest mass loadings for each season. The files names are labeled according to the ID of the analysed filter. All dates and times are given in Beijing local time.

本数据集收录了在北京市大气物理研究所陆地观测站（IAP-Beijing）于夏季和冬季进行的“中国特大城市大气污染与人类健康”（APHH）项目活动中，利用直接注入式超高分辨率质谱仪进行的质谱测量数据。每日采集的石英微纤维滤膜由Tisch高效采样器收集，收集到的PM2.5颗粒的有机组分经LTQ Orbitrap Velos质谱仪采用电喷雾电离技术进行分析，以获取高分辨率质谱数据，从而实现对检测到的质量进行分子式的归属。对于两个季节，均分析了10个滤膜，其中包含每个季节质量负荷最高和最低的5个滤膜。文件名根据分析滤膜的ID进行标注。所有日期和时间均以北京时间给出。

搜集汇总

背景与挑战

背景概述

该数据集包含了北京大气物理研究所站点在APHH-Beijing夏季和冬季战役期间，使用直接注入超高分辨率质谱技术对PM2.5颗粒物有机成分进行的测量。数据通过LTQ Orbitrap Velos质谱仪分析，提供了高分辨率质谱结果，能够分配分子式，并覆盖了每个季节中质量负荷最高和最低的10个过滤器样本，旨在支持大气污染与人类健康的研究。