农业与土壤科学

Agriculture Soil Science

　　农业与土壤科学将土壤作为一种可控的自然资源加以检验；土壤会影响植物的生长与发展，而植物则是食品和纤维的来源。土壤性状及相关农业活动可能会影响温室气体的浓度，后者也可能会影响前者。由于土壤在氮 (N) 和碳 (C) 等循环中发挥着不可或缺的作用，因此农业与土壤科学通常会寻求测量土壤通量，即土壤与大气中甲烷 (CH4)、二氧化碳 (CO2) 和一氧化二氮 (N2O) 等气体之间的交换。监测方法包括箱室技术、微气象方法、卫星观测以及机载调查。

分析仪

产品 型号 测量

G2131-i 同位素与气体浓度分析仪

Picarro G2131-i 同位素与气体浓度分析仪能够在各种应用下进行灵活的测量，从大气和海洋科学研究到食品与饮料的来源与真实性无不涵盖其中。这款分析仪能够测量二氧化碳中的 δ13C，精度小于 0.1 ‰。这款分析仪能够以十亿分之二百 (200 ppb) 和十亿分之五十 (50 ppb) 的精度同步分别测量二氧化碳 (CO2) 和甲烷 (CH4) 的气体浓度。以百万分率 (ppm) 的精度来测量水汽 (H2O) ，从而以干气摩尔分数来校正和报告 CO2 和 CH4。 

 G2131-i

G2201-i 同位素分析仪

Picarro G2201-i 同位素分析仪将两台用于测量 CO2 和 CH4 的 Picarro δ13C 碳同位素仪器整合到一台仪器中。

 G2201-i

G2311-f EC 通量气体浓度分析仪

Picarro G2311-f 通量气体浓度分析仪可在 10 Hz 下针对涡度相关方法、梯度方法和涡旋累积法，同步精确测量二氧化碳 (CO2)、甲烷 (CH4) 和水汽 (H2O) 。

 G2311-f

G2508 气体浓度分析仪

Picarro G2508 气体浓度分析仪可同步测量氧化亚氮 (N2O)、甲烷 (CH4)、二氧化碳 (CO2)、氨 (NH3) 和水汽 (H2O) ，灵敏度为十亿分率 (ppb)，针对农业与土壤科学、生态学和量化排放应用所产生的漂移可忽略不计。

 G2508

δ15N for nitrous oxide (N2O) and N2O gas concentration

The Picarro G5102-i isotopic and gas concentration analyzer enables measurements of site specific and bulk δ15N in N2O. It is an ideal solution for discerning and measuring the source of N2O emissions real-time in the field or through grab-sample measurements in the lab.

 G5102-i

SI2103 气体浓度分析仪

The Picarro SI2103 gas concentration analyzer delivers ultra-precise and stable measurements of ammonia (NH3) with a parts-per-trillion (ppt) lower limit of detection (LOD) and negligible drift. It is the ideal solution for urban and atmospheric air quality monitoring, studies of particulate matter formation, livestock emission quantification, vehicle emission quantification, indoor air quality and other applications.
SI2103

外围设备

产品 型号 测量

燃烧模块

The Combustion Module, designed for Picarro by Costech (a leader in combustion systems), combusts solid samples as small as 250mg C to release CO2 gas. The Combustion Module is connected to a Picarro isotopic analyzer via the Picarro Caddy (A2100) or the Picarro Liaison™ Universal Interface (A0301) for high-precision carbon isotope (13C) measurements from carbon dioxide.
 A0201

16 路气体进样系统

The Picarro 16-Port Distribution Manifold provides unparalleled multiport sample-data collection.

 A0311

小样品进样模块2

High-precision δ13C measurements of small volume CO2 and CH4 gas samples.

 A0314

封闭系统测量包

Whether you are looking at gas evolution from soils or vegetation, or the incorporation of stable labels into living organisms, our rugged, high-precision analyzers offer unparalleled performance. Picarro’s small cavity design technology has long been the optimal choice for sample-limited studies. Now we have developed a series of turn-key systems especially designed to avoid external contamination.

 A0701, A0702

低泄漏隔膜泵

The Low-Leak Diaphragm Pump is an essential part of a closed-loop measurement system.
 A0702