Agilent Mobile Lab solves six popular application challenges
—— Agilent Technologies (China) Co., Ltd.
In recent years, with more and more major food safety emergencies and environmental pollution emergencies, food safety and environmental protection have become two hot topics of concern in the world. In emerging markets where laws and regulations still need to be improved, in the face of severe food safety incidents, traditional laboratory analysis is difficult to extend supervision to the source to achieve on-site supervision; in the face of sudden environmental pollution accidents, traditional experiments Chamber analysis is also difficult to meet the requirements of providing analytical results in a timely manner at the contaminated site.
Agilent Mobile Labs solves many of the limitations of traditional laboratories, enabling food and food to be monitored from farm to table in a timely manner, flexibly and mobilizing coverage to a wider range of remote, side and far monitoring blind spots, effectively protecting people from the source. Food safety. At the same time, the mobile laboratory also meets the timeliness and convenience requirements of environmental monitoring, providing high-reliability analysis results for contaminated sites.
The Agilent Mobile Lab is based on the Agilent 5975T Low Thermal Mass (LTM) Gas Chromatography/Mass Spectrometer (GC/MSD), the industry's first commercial on-board GC/MS system with laboratory analytical quality for fast, high-precision High reliability and high quality on-site inspection. In the mobile lab, in addition to the core 5975T LTM GC/MS, different sample preparation equipment is available for fast and convenient sample preparation on site. Agilent's newly acquired A2 portable and automotive FTIR (Fourier Transform Infrared) spectroscopy products can be used in the field to suit some applications. LTM's patented technology not only enables the 5975T LTM GC/MS to be ultra-fast analytical, but also reduces the size by a third and consumes half the power, providing the same on-site monitoring performance as traditional laboratories.
The 5975T is used in a wide range of applications. In the field of environmental protection, VOC/SVOC, toxic and hazardous chemicals in the air, monitoring and analysis of toxic and hazardous chemicals, and monitoring of emergency environmental pollution events can be carried out; in the field of food safety, field vegetables/fruits/foods can be realized. Screening for pesticide residues, on-site food quality inspection, emergency food safety emergency monitoring, and other food safety related tests; in the field of public security and justice, support the rapid identification of drugs, poisons, explosives and other dangerous goods; in defense and public The safety field supports chemical warfare agent analysis, hazardous explosives analysis, and monitoring and analysis of toxic and hazardous chemicals. In addition, the 5975T is also suitable for more applications requiring rapid analytical applications.
Agilent engineers and technicians have developed a large number of applications for the above several application areas, including the following six popular applications.
Application 1 : Rapid analysis of pesticide residues in vegetables
Food safety is about people's daily lives and life safety. In response to the current frequent food safety challenges and helping to extend food safety regulation to the source, Agilent collaborated with the China Academy of Inspection and Quarantine in 2010 to successfully develop a mobile pesticide laboratory analysis method using 5975T. The testing department cooperated to open the 5975T mobile laboratory from Beijing to the vegetable testing site hundreds of kilometers away, achieving the best results of zero distance detection of pesticide residues in vegetables.
As shown in Figure 1, the 5975T mobile laboratory can analyze any of the 926 pesticides and endocrine disruptors in 5 minutes in a number of experiments with Agilent's application engineers.

Figure 1: The 5975T can analyze any of the 926 pesticides and endocrine disruptors in 5 minutes.
Application 2 : Rapid analysis of plasticizers
After the sudden plasticizer incident in Taiwan at the end of May 2011, the Ministry of Health issued an urgent announcement to include plasticizers in the list of non-edible substances and misused food additives. Agilent introduced the rapid analysis method of plasticizer based on 5975T technology in the first time, and formed the most authoritative Agilent plasticizer analysis overall solution in the industry. The introduction of this solution solves the problem that customers face different kinds of substrates and different regulatory requirements in the analysis of plasticizers, and also provides the best technical guarantee for the analysis of plasticizers on the market.
Using the 5975T LTM GCMS instrument system LTM patented technology to quickly raise and lower the temperature of the column, Figure 2 is a 5 times national standard GB/T 21911-2008 speed analysis of 17 plasticizer 2ppm mixed standard SCAN and SIM spectrum, pole The earth has increased the speed at which GC/MS instruments analyze 17 plasticizers in food and beverage.

Figure 2: The LTM patented column in the 5975T greatly improves the analysis speed of 17 plasticizers in food and beverage
(Column: LTM HP-5MS, 10m, 0.18mm, 0.18um; LTM column temperature program: 60°C (0.2min), 100 °C/min, 220 °C (0.2min), 25°C/min, 280°C (0.8 Min))
Application 3 : Continuous online analysis of VOCs in the ambient atmosphere meeting EPA standard method TO15/TO17
Atmospheric environmental VOCs pollution problems are becoming more and more prominent. The "2010 National Environmental Monitoring Work Points" and the "National "Twelfth Five-Year Plan" Environmental Protection Work Development Trends" propose to increase the monitoring of ozone, VOCs and other pollutants into urban air quality. Comprehensive assessment and evaluation of indicators, and real-time release of automatic monitoring data of atmospheric and surface water VOCs to the whole society. However, the analytical analysis of environmental VOCs monitoring by traditional laboratories is slow, which leads to sample loss and affects the reliability of the results. Agilent Mobile Labs addresses the challenges of traditional laboratories, supporting multi-featured portfolio monitoring and online, automated, and rapid analysis.
In the experiment of Figure 3, the airborne volatile toxic organic compounds (VOCs) method is integrated into online sampling and analysis. The target compounds quantified by this method include hydrocarbons (C4-C6), halogenated hydrocarbons, benzene-based aromatic hydrocarbons (C6–C9), and many polar, highly active oxygen-containing volatile organic compounds (OVOCs). ), fully meet the calibration and detection limits specified in the EPA TO15/TO17524.2 method.
Figure 3: 5975T supports continuous online analysis of VOCs in the ambient atmosphere
Application 4 : Determination of VOCs in drinking water by static headspace injection ( EPA Method 524 )
In view of the increasing number of water pollution incidents, the need to analyze the organic pollutants in drinking water using mobile on-site water quality monitoring devices has become increasingly urgent. Monitoring volatile organic compounds (VOCs) in drinking water is a major task of mobile water quality monitoring stations, requiring fast and accurate detection of target and unknown contaminants.
Using the 5975T LTM GC/MSD and the 7694E Headspace Sampler, Agilent has established an ultra-fast method for monitoring water contamination for use in environmental monitoring mobile laboratories. Compared with the work of traditional laboratories, the analysis cycle of each sample can be shortened by 40%, and the data processing time is also shortened by using DRS software, as shown in Figure 4. The results show that the Agilent Headspace Sampler and the onboard 5975T LTM GC/MSD system can be used to quantify VOCs in drinking water, meeting the calibration and detection limits specified by the EPA 524.2 method.

Figure 4: Ultra-fast monitoring of water pollution with the Agilent 5975T LTM GC/MSD and 7694E Headspace Sampler
Application 5 : PAH analysis of polycyclic aromatic hydrocarbons in water
Polycyclic aromatic hydrocarbons (PAHs) are organic compounds having a plurality of benzene rings. In recent years, PAH pollution in water has become more and more serious. Sudden events such as oil spills at gas stations, leaks from tank trucks and tankers often cause serious pollution to soil and water. The Agilent 5975T supports rapid detection of polycyclic aromatic hydrocarbons and can analyze 16 PAHs in 10 minutes, see Figure 5.

Figure 5: 5975T can analyze 16 kinds of polycyclic aromatic hydrocarbon PAH in water within 10 minutes
(LTM column: DB-5ms: 20m × 0.18mm × 0.18μm; temperature program: 40 ° C (1 min) > 240 ° C (0 min) @ 87 ° C / min > 300 ° C (1 min) @ 11 ° C / min )
Application 6 : Rapid drug identification
With the Agilent Thermal Separation Probe, the 5975T can detect 29 drugs without running the sample or after a simple sample preparation. The run time is less than 4 minutes. As shown in Figure 6.
Figure 6: 5975T can quickly identify drugs within 4 minutes
(LTM column: 70 ° C (0.1 min), 80 ° C / min, 300 ° C (0.8 min))
Adhering to the philosophy of “rooting China and contributing value”, Agilent actively responds to China's many challenges in the areas of food safety and environmental protection, and provides technical support and services to make people's lives healthier and the world a better place. At the same time, Agilent is the world's leading measurement and testing company and a global leader in food safety and environmental testing technology, focusing on solving a series of long-term problems facing the world, developing new problems for food safety and environmental testing. Application method.

About high performance automotive GC/MSD
The 5975T Low Thermal Mass (LTM) Gas Chromatography/Mass Spectrometer (GC/MSD) is the industry's first commercial on-board GC/MS system with laboratory analytical quality. Agilent's patented LTM technology not only enables the 5975T LTM GC/MS to have ultra-fast analysis capabilities. And the size is reduced by 1/3, the power consumption is saved by half, but it has the same excellent performance on the spot. The 5975T is widely used in food safety, environmental protection, public security and justice, national defense and public safety.

About 5500 Fourier Transform Infrared Spectrometer
The 5500 Fourier Transform Infrared Spectrometer is designed to be simple and easy to use. The system uses Agilent's patented interferometer to achieve a compact internal optical path design. The system can be selected for solid or liquid analysis platforms for on-board laboratory and on-site analysis.
For liquid analysis, using the patented TumbIIR liquid transmission technology, the liquid can be measured only by dropping into the test platform, and the operation is convenient; the bottleneck of liquid analysis is broken, and the laboratory analysis is pushed to the site, so it is widely used in petrochemical and chemical industry. , food and other fields. For solid or liquid qualitative analysis or simple quantification, the ATR platform can be used for easier and convenient operation.
About Agilent Technologies
Agilent Technologies Inc. (NYSE: A) is the world's leading test and measurement company and a technology leader in communications, electronics, life sciences and chemical analysis. The company has 18,500 employees and serves customers in more than 100 countries around the world. In fiscal 2010, Agilent's net income reached $5.4 billion. For more information on Agilent, please visit

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