安捷伦990微型气相色谱仪-在线气相色谱仪

Features

气体样品的快速气相色谱分析
多达 4 通道的分离和检测
微机械热导检测器
紧凑型气相色谱体积小巧，可节省实验室台面空间，或安装在实验室外的位置
氦气、氢气、氮气和氩气载气选项
微型气相色谱柱固定相选择范围广泛
应用灵活，可用于实验室内、实验室外、在线/近线分析和现场分析
实验室版和移动版仪器的通道可互换
惰性样品流路用于处理 H2S 等活性化合物，可在低 ppm 浓度下进行检测
提供各种附件、样品处理、报告和结果导出工具
用于实验室外或流程配置的一体化数据处理
仅需消耗传统实验室气相色谱系统 10% 的电能和载气
反吹选件可用于缩短运行时间，并防止色谱柱暴露在其他化合物中，从而保护色谱柱
经过独立审计，确认在整个产品生命周期对环境的影响，获得了 My Green Lab 的 ACT（归责性、一致性、透明度）标签

Specifications


Injection Range	1–10 µL with software–selectable injection time
TCD 浓度范围	0.5 ppm to 100% level
TCD 线性动态范围	10⁵ （0.5 ppm 至 5%），对于 CP-Sil 5 CB 通道上的丙烷
典型检测限	WCOT 毛细管柱为 0.5 ppm PLOT 色谱柱为 2 ppm 微填充柱 (Hayesep) 的检出限为 10 ppm 微填充柱 (Carboxene) 的检出限为 10 ppm
峰面积重现性	<在恒温和恒压下，WCOT 色谱柱中 1 mol% 丙烷的 RSD 为 0.5%
最大进气口压力	100 kPa (14.5 psi)
柱温箱温度	不超过 180 °C，等温
检测器	Micromachined TCD, dual-channel (sample and reference)
载气类型	Helium Hydrogen Nitrogen Argon
进样口	1.6 mm（1/16 英寸）不锈钢 Valco 接头，带有可更换的 5 µm 不锈钢过滤器
进样口温度	最高温度 110 °C，包括可加热样品传输线
进样口连接	3.2 mm（1/8 英寸）不锈钢压缩接头
通道	多达 4 个独立控制的通道（进样器、载气、色谱柱、检测器）

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Technology

How It Works

Applications

Literature

Application Notes

Influence of Sample Pressure on Response when Using the Agilent 990 Micro GC

This application note quantifies the effect of sample pressure on the response of the Agilent 990 Micro GC

Application Notes
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820.72 KB
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Electrolysis Gas Impurity Analysis with the Agilent 990 Micro GC

This application note demonstrates how oxygen, nitrogen, and hydrogen impurities in electrolyzer gases are analyzed using the Agilent 990 Micro GC

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562.24 KB
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Electrolysis Gas Impurity Analysis Using the Agilent 990 Micro GC Configured with Backflush MS5Å Channels

This work demonstrates how the oxygen, nitrogen, and hydrogen impurities in electrolyzed gases are analyzed using the Agilent 990 Micro GC equipped with two Molsieve 5Å (MS5A) column channels.

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546.58 KB
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Analysis of Ethylene or Propylene Stream Cracking Gas Products

This application note describes the use of the Agilent 990 Micro GC system for analyzing gas products from ethylene or propylene stream cracking, enabling fast and accurate detection.

Application Notes
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20 Nov 2025
1.33 MB
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Ethylene Oxide and Propylene Oxide Analysis Using the Agilent 990 Micro GC

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246.57 KB
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Sulfur Dioxide Analysis Using the Agilent 990 Micro GC

Analysis of sulfur dioxide during sulfuric acid manufacturing using the Agilent 990 Micro GC.

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252.30 KB
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Trace-Level H2S and COS Analysis on the Agilent 990 Micro GC

Trace-Level Hydrogen Sulfide and Carbonyl Sulfide Analysis on the Agilent 990 Micro GC

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243.07 KB
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Methanol Analysis in Natural Gas Using an Agilent 990 Micro

This application note demonstrates the chemical performance of the Agilent 990 Micro GC system for the analysis of methanol (MeOH) in natural gas.

Application Notes
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05 Dec 2024
487.32 KB
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Catalytic Ammonia Cracking: Reaction Monitoring Using theAgilent 990 Micro GC System - Monitoring from zero to greater than99.9% conversion

This application note demonstrates the capabilities of an Agilent 990 Micro GC system for monitoring NH3, N2, H2, and H2O in the feed and product streams of ammonia cracking reactors.