Flame Photometric Detector Gas Chromatographs
Description
Flame Photometric Detector (FPD) Gas Chromatographs are analytical instruments used to detect and measure specific chemical compounds within a sample. They are particularly effective in identifying and quantifying sulfur and phosphorus-containing compounds by utilizing a flame photometric detection method.
Working Principle
The Flame Photometric Detector operates by introducing a sample into a flame, where it undergoes combustion. The combustion process excites specific atoms, such as sulfur or phosphorus, causing them to emit light at characteristic wavelengths. The emitted light is then measured by a photodetector, which quantifies the concentration of the target compounds based on the intensity of the light. This method is useful because it allows for the detection of specific elements at very low concentrations, often in the parts-per-billion (ppb) to parts-per-million (ppm) range, making it highly sensitive for trace analysis .
Applications
Flame Photometric Detector Gas Chromatographs are widely used in various fields for specific applications. For example, they are employed in environmental analysis to monitor sulfur compounds in air and water samples. In the petrochemical industry, they are used to analyze sulfur content in fuels and other petroleum products. Additionally, they find applications in the food industry for detecting sulfur-containing preservatives and in forensic science for analyzing trace elements in samples.
Advantages over other Gas Chromatographs
One of the primary advantages of Flame Photometric Detectors over other types of gas chromatographs is their high sensitivity to sulfur and phosphorus compounds, which allows for detection at very low concentrations. This makes them particularly useful in applications where trace analysis is critical. Additionally, FPDs can provide more specific detection compared to other detectors like Thermal Conductivity Detectors (TCD), which are more general-purpose .
Limitations
Flame Photometric Detectors have certain limitations, including susceptibility to interference from other compounds that may also emit light at similar wavelengths, potentially leading to inaccurate readings. Additionally, the stability of the flame and the purity of the gases used can affect the accuracy and reliability of the measurements. These factors necessitate careful calibration and maintenance to ensure consistent performance .
Considerations
When considering the use of Flame Photometric Detector Gas Chromatographs, several factors should be taken into account. Initial costs can be significant due to the specialized nature of the equipment and the need for high-purity gases. Operating expenses may also be higher compared to other detectors due to the need for regular calibration and maintenance to ensure accuracy and reliability. Durability can be a concern if the equipment is not properly maintained, as the flame and detector components can degrade over time. Replacement and maintenance costs should be factored into the overall cost of ownership, as these can impact the long-term viability of using FPDs in certain applications.
from ABB Measurement & Analytics
ABB process gas chromatographs perform real-time analysis of the chemical composition of a process sample or stream -- crucial for on-spec processes and productivity. PGC5000B Smart Ovens target simple applications with a fixed set of features. The ABB PGC5000 Series process gas chromatograph is... [See More]
- Detector: Thermal Conductivity Detector; Flame Ionization Detector; Flame Photometric Detector
- Application: Energy
- Instrument Type: Fixtured
- Oven Operation: Temperature Programmable
from ABB Measurement & Analytics
ABB process gas chromatographs perform real-time analysis of the chemical composition of a process sample or stream -- crucial for on-spec processes and productivity. PGC5000C Smart Ovens target complex applications requiring multiple detectors for maximum application densification. The ABB PGC5000... [See More]
- Detector: Thermal Conductivity Detector; Flame Ionization Detector; Flame Photometric Detector
- Application: Energy
- Instrument Type: Fixtured
- Oven Temperature Range: 86 to 356
from O. I. Analytical
Automated sample injection (gas or LPG), calibration, and QA/QC [See More]
- Detector: Flame Photometric Detector
- Application: Organic Chemicals
- Instrument Type: Fixtured
- Oven Operation: Oven; Isothermal
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]
- Detector: Thermal Conductivity Detector; Flame Ionization Detector; Flame Photometric Detector
- Application: Environmental; Industrial Gases; Refineries, Petrochemical, Gas Processing, Power Generation
- Instrument Type: Fixtured
- Oven Operation: Oven
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]
- Detector: Thermal Conductivity Detector; Flame Ionization Detector; Electron Capture Detector; Flame Photometric Detector; FTD
- Application: Cosmetics / Fragrances; Industrial Gases; Organic Chemicals; Thermal Decomposition
- Instrument Type: Fixtured
- Oven Operation: Oven; Temperature Programmable
from Haida International Equipment Co., Ltd.
Automatic sampling gas chromatograph is used for quantitative and qualitative analysis to determine the physical and chemical constants such as the distribution coefficient, activity coefficient, molecular weight and surface area of the sample in the fixed phase. An instrument for analyzing the... [See More]
- Detector: Thermal Conductivity Detector; Flame Ionization Detector; Electron Capture Detector; Flame Photometric Detector; Nitrogen Phosphorous Detector
- Application: Analysis of Dissolved Gas in Transformer Oil, Analysis of Ethylene Oxide in Medical Devices, Analysis of Coke Oven Gas, Pesticide Residue Analysis
- Instrument Type: Fixtured
- Oven Operation: Temperature Programmable
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]
- Detector: Thermal Conductivity Detector; Flame Photometric Detector
- Application: Environmental; Industrial Gases; Refineries, Petrochemical, Gas Processing, Power Generation
- Instrument Type: Fixtured
- Oven Operation: Oven
from Shimadzu Scientific Instruments, Inc.
Shimadzu's versatile GC-2014 gas chromatograph offers exceptional performance, value, and ease of use. Ideal for routine analysis in the R&D lab or industrial setting, the GC-2014 utilizes the high-end technology of the GC-2010 Plus to cover a wide range of applications from capillary to packed... [See More]
- Detector: Thermal Conductivity Detector; Flame Ionization Detector; Electron Capture Detector; Flame Photometric Detector; FTD
- Application: Industrial Gases; Petroleum
- Instrument Type: Fixtured
- Oven Operation: Oven; Temperature Programmable