Application Software Included Gas Chromatographs
Description
Application software included gas chromatographs are sophisticated analytical instruments designed to separate and analyze compounds in a gas sample. These devices consist of several key components, including a flowing mobile phase, an injection port, a separation column with a stationary phase, and a detector. The software integrated into these gas chromatographs allows for enhanced control and data management, enabling users to start or stop analysis, generate reports, and modify analytical settings with ease .
Working Principle
Gas chromatographs operate by injecting a gas sample into a stream of carrier gas, which transports the sample through a separation column. The column contains a stationary phase that interacts differently with each compound in the sample, causing them to separate based on their partitioning behavior. As the separated compounds exit the column, they are detected and quantified. The integrated software processes the detector signals to produce a chromatogram, which displays the concentration of each component. This process is useful for identifying and quantifying the components of complex mixtures .
Applications
Gas chromatographs are used in a wide range of industries and applications. For example, they are employed in the analysis of agricultural chemicals and pesticides, cosmetics and fragrances, and drugs and pharmaceuticals. They are also used in environmental monitoring, food and beverage processing, and forensic analysis. In the energy sector, gas chromatographs are crucial for analyzing natural gas composition to ensure efficient burner control .
Advantages over other Gas Chromatographs
One significant advantage of application software included gas chromatographs is their ability to operate unattended, which reduces the need for constant human supervision. The software, such as MON2020, allows for remote control and monitoring, making it easier to manage and maintain the instrument. Additionally, these gas chromatographs often come with built-in diagnostics and support tools, which streamline troubleshooting and maintenance processes .
Limitations
A notable limitation of gas chromatographs is the requirement for samples to be volatile at the column operating temperature. This means that non-volatile compounds cannot be analyzed directly without derivatization. Additionally, the sample must be clean and dry, as any solids or liquids can obstruct the small diameter gas paths and affect the accuracy of the analysis .
Considerations
When considering the purchase and operation of a gas chromatograph, several factors should be taken into account. Initial costs can be high, but the ability to operate unattended and remotely can reduce long-term operating expenses. Durability and accuracy are critical, as these instruments must withstand various environmental conditions while providing precise measurements. Maintenance costs can be minimized with models that include self-diagnostics and easy-to-use software interfaces, which facilitate regular checks and troubleshooting .
from COSA Xentaur Corporation
The COSA Portable BTU Gas Chromatograph is ideal for C6+ analysis of natural gas. The COSA Portable BTU Gas Chromatograph publishes 20 derived parameters, such as Calorific Value, Wobbe Index, Specific Gravity, Copressibility, Ratio of Heats, Gas Density, Real Gross Heat Value, and more.... The unit... [See More]
- Instrument Type: Portable
- Inlet Pressure Range: 7 to 70
- Application: Energy; Industrial Gases
- Remote Interface: Computer Interface; Serial communication protocol such as RS-232, RS-485, USB.; Application Software Included.
from O. I. Analytical
Optional discrete purging multisampler available for automated analyses [See More]
- Instrument Type: Fixtured
- Carrier Gas Text: He, H2
- Application: Industrial Gases; Petroleum
- Detector: Flame Ionization Detector; Photo Ionization Detector
from Malvern Instruments, Inc.
Designed specifically for the characterization of polyolefins, but with the ability to handle other polymers, such as polythiophene PEEK and PVF, the Viscotek High Temperature GPC (HT-GPC) system brings advanced triple detector technology to these demanding applications. The HT-GPC operates up to... [See More]
- Instrument Type: Fixtured
- Oven Operation: Oven; Temperature Programmable
- Application: Plastics / Polymers / Rubber
- Oven Temperature Range: 86 to 338
from Emerson Automation Solutions – Rosemount
The 1500XA Process Gas Chromatograph combines the proven analytical components of the field-mounted GCs with the larger oven capacity of a traditional air-bath oven design. The result is maximum analyzer reliability and analytical flexibility in one package. The Rosemount Analytical 1500XA Gas... [See More]
- Instrument Type: Fixtured
- Oven Operation: Oven
- Application: Environmental; Industrial Gases; Refineries, Petrochemical, Gas Processing, Power Generation
- Oven Temperature Range: 302
from Shimadzu Scientific Instruments, Inc.
Realize dramatic improvements in productivity with the GC-2010 Plus. Out of the box, it's ready to perform high-speed GC utilizing the latest in ultra narrow-bore capillary columns. The fourth generation Advanced Flow Controller delivers up to 1200 ml/min, 140 psi of pressure and supports split... [See More]
- Instrument Type: Fixtured
- Oven Operation: Oven; Temperature Programmable
- Application: Cosmetics / Fragrances; Industrial Gases; Organic Chemicals; Thermal Decomposition
- Oven Temperature Range: 122 to 536
from FIS Inc.
Three major halitosis components are hydrogen sulfide, methyl mercaptan, and dimethyl sulfide. The OralChroma measures Volatile Sulfide Components (VSC) in the breath and separates them into the above three components. About 1000 sets of OralChroma have been supplied to dentists, universities, and... [See More]
- Instrument Type: Portable
- Oven Temperature Range: 50 to 86
- Application: Environmental; Medical / Biological
- Injection Method: Syringe Injection
from Siemens Analytical Products
This process gas chromatograph, which has resulted from decades of international experience and technology development, leads the industry in capability, flexibility and reliability. The Maxum edition II is used in all branches of the fine chemicals, refining and hydrocarbon processing industries. [See More]
- Instrument Type: Fixtured
- Oven Operation: Isothermal
- Application: Industrial Gases
- Oven Temperature Range: 140 to 536
from Emerson Automation Solutions – Rosemount
The Danalyzer 370XA Gas Chromatograph from Emerson Process Management is the latest analyzer to join the XA Series of Rosemount Analytical gas chromatographs. The 370XA is designed to simplify natural gas measurement analysis in Fiscal and Custody Transfer applications and improve the measurement... [See More]
- Instrument Type: Fixtured
- Oven Operation: Isothermal
- Application: Environmental; Industrial Gases; Natural Gas Applications: Custody Transfer, Production Gas Measurement, Power Generation, Gas Burner Management
- Oven Temperature Range: -4 to 140
from Shimadzu Scientific Instruments, Inc.
Features. A front-opening ion source chamber minimizes downtime by allowing maintenance to be performed quickly from the front of the instrument. Routine analyses are fully automated using a range of sample introduction techniques, including large-volume and temperature-programmable injections,... [See More]
- Instrument Type: Portable
- Inlet Pressure Range: 0.0 to 141
- Oven Temperature Range: 32 to 842
- Detector: Metal Quadruapole Mass Filter
from FIS Inc.
Sensor Gas Chromatograph (SGC) uses a highly sensitive semiconductor gas sensor as a gas detector. The original built-in column is small, enabling the sample gases to be very sensitive and quick separation. [See More]
- Instrument Type: Portable
- Oven Temperature Range: 50 to 86
- Application: Environmental; Medical / Biological
- Injection Method: Syringe Injection
from Emerson Automation Solutions – Rosemount
The 500 GC is the best combination of advanced technology and rugged instrumentation that helps make the most of existing manpower. Today ’s trend toward downsizing means instrument technicians have more to do in less time. Instrumentation has to be more reliable and easier to use than ever... [See More]
- Instrument Type: Fixtured
- Oven Operation: Oven
- Application: Environmental; Industrial Gases; Refineries, Petrochemical, Gas Processing, Power Generation
- Oven Temperature Range: 185
from Shimadzu Scientific Instruments, Inc.
The MDGC/GCMS-2010 is a MDGC system which gives you a excellent separation performance and high reproducibility with the multi-deans switching technology, and supports analyses of complex matrixes like petroleum products, aromas, and optical isomers, with intuitive operation, and ease of... [See More]
- Instrument Type: Fixtured
- Oven Operation: Oven; Temperature Programmable
- Application: Agricultural Chemicals / Pesticides; Industrial Gases; Inorganic Chemicals; Organic Chemicals; Petroleum
- Oven Temperature Range: 39.2 to 662