Core Viewpoint - The Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, has announced procurement intentions for 22 items of scientific instruments with a total budget of 101 million yuan, scheduled for purchase between June and November 2025 [2][3]. Instrument Procurement Summary - The procurement includes advanced instruments such as high-resolution proton transfer time-of-flight mass spectrometers, high-precision environmental air monitoring systems, single particle aerosol mass spectrometers, and a three-dimensional targeted imaging system for pollution gases [3][4][6]. - The total budget for the procurement is 101 million yuan, indicating significant investment in environmental monitoring and geochemical research capabilities [2][3]. Detailed Instrument Descriptions - **Scanning Mobility Particle Sizer (SMPS)**: This device analyzes aerosol particle size distribution based on the principle of electrical mobility, primarily used in environmental monitoring and industrial analysis [4]. - **Volatile Component Analysis Device**: Utilizes distillation or extraction methods to determine volatile components in materials, applicable in coal and energy, environmental protection, and medical diagnostics [5]. - **Hyperspectral Pollution Gas Imaging System**: Combines molecular absorption spectroscopy and spatial imaging technology for non-contact monitoring of pollution gases, used in environmental monitoring and industrial emissions [6]. Procurement List Overview - The procurement list includes various projects aimed at enhancing original innovation capabilities in geochemistry and environmental science, with specific allocations for different systems and instruments [8][9]. - Notable projects include upgrades to deep earth processes and advanced environmental equipment, with budgets allocated for each project [9]. Specific Instrument Budget and Features - **High-Resolution Mass Spectrometers**: Various models with budgets ranging from 150,000 to 610,000 yuan, featuring advanced sensitivity and resolution for precise chemical analysis [9][10]. - **Advanced Environmental Monitoring Systems**: Budgeted at 235,000 yuan, these systems are designed for high-precision analysis of greenhouse gases and other pollutants [11]. - **Single Particle Aerosol Mass Spectrometer**: Budgeted at 465,000 yuan, capable of detecting aerosol particles in a size range of 200 to 3000 nm [11]. Institutional Background - The Guangzhou Institute of Geochemistry was established in 1993 and focuses on geochemistry, environmental science, and oil and gas resources, housing two national key laboratories [12][13].