Can a flame photometric detector be used to detect sulfur in a sample?
Best insight from top research papers
Yes, a flame photometric detector (FPD) can be used to detect sulfur in a sample. Several methods have been developed to enhance the detection of sulfur using FPD. One method involves using a transparent quartz rod placed vertically on top of a non-premixed hydrogen microjet flame, which enhances the emission intensity of S2* and improves the signal-to-noise ratio (SNR) of sulfur response . Another method utilizes a silicon photoelectric detection assembly, which includes a silicon photoelectric device and an amplifying circuit, to collect light emitted by sulfide or phosphide in the flame . Additionally, a sulfur response signal enhancement assembly, consisting of a quartz rod, circular porous baffle, T-shaped cylinder, and metal ring, has been developed to increase the sensitivity of sulfide detection by reducing the flame temperature and increasing the light-emitting area of sulfur . Furthermore, a flame photometric detector with a silicon photodiode assembly has been developed, which provides a linear response and a selectivity of sulfur over carbon, comparable to a conventional detector coupled with a photomultiplier tube . These advancements in FPD technology have improved the detection limits and selectivity for sulfur measurement in various applications .
Answers from top 5 papers
More filters
| Papers (5) | Insight |
|---|---|
9 Citations | Yes, a flame photometric detector (FPD) can be used to detect sulfur in a sample. |
| Yes, the paper describes a sulfur response signal enhancement assembly of a flame photometric detector, indicating that a flame photometric detector can be used to detect sulfur in a sample. | |
9 Citations | Yes, a flame photometric detector with a silicon photodiode assembly can be used to detect sulfur in a sample. |
| Yes, the silicon photoelectric detection assembly described in the paper can be used to detect sulfide in a flame photometric detector. | |
| Yes, a flame photometric detector (FPD) can be used to detect sulfur in a sample. The paper discusses the development and evaluation of a quartz rod flame photometric detector for sulfur detection. |
Related Questions
What is detection spectral?5 answersDetection spectral refers to methods and systems used for analyzing and recording spectral data. Various inventions have been made in this field, such as spectral detection systems utilizing pulsed lasers and light polarizers for sample analysis, multi-angle double-waveband telescopes combined with high-resolution spectrographs for improved information acquisition and reduced instrument size, and spectral detectors incorporating grating panels and optical measurement panels to measure light intensity changes based on different grating patterns. Additionally, innovative algorithms like spectral CUSUM have been developed for online community change detection, offering efficient subspace projection procedures for community emergence detection. Spectral methods based on non-backtracking Hashimoto matrices have also been proposed for community assignment from hyperedges, showing promising performance in detecting communities in sparse regimes.
What is flame atomic absorption spectrometry for detection.?4 answersFlame atomic absorption spectrometry (FAAS) is an optical atomic spectrometric technique used for the quantitative determination of elements in environmental materials at trace and ultratrace levels. FAAS involves the measurement of the specific absorption originated from the free, unionized atoms in the gas phase. It utilizes a flame as the atomizer to transfer the analyte to free atoms. FAAS is particularly useful for the determination of minor and trace elements in contaminated samples, with typical detection limits of 1-100 μg L−1. It is a single element technique that needs to be used sequentially for the determination of multiple elements. However, there are commercial instruments available that can determine six to eight elements simultaneously. FAAS lacks sensitivity for trace level determination of metals like antimony. To overcome this limitation, hydrogen assisted T-shaped slotted quartz tube technique can be used to preconcentrate and determine antimony by FAAS.
Hoe to separate sulfur from oil with molecular imprinting polymer?5 answersA method for separating sulfur from oil using molecular imprinting polymer has been investigated. One approach involves the use of a polymer-supported imidation agent (PI) to chemically adsorb sulfur compounds from the oil, which can then be removed by filtration. Another method involves the use of ionic liquids (ILs) for liquid-liquid extraction and polymerization of sulfur-containing compounds in the oil. Additionally, a high-temperature digester with thiophilic bacteria and an organic desulfurizing agent can be used to remove sulfur from petroleum resin, followed by extrusion and polymerization to obtain a sulfur-free petroleum resin. Another approach is to mix ion liquid with alcohol or alcohol amine derivatives to form a desulfurizer, which can then strip organic or inorganic sulfur from the oil. Finally, a method involving the addition of a slurry of solid sulfur in liquid oil to an asphalt and polymer blend has been proposed for uniform dispersion of sulfur in the blend.
What are the advantages and disadvantages of using molecular imprinting polymers to separate sulfur compounds from oil?5 answersMolecular imprinting polymers (MIPs) offer several advantages for separating sulfur compounds from oil. They exhibit high selectivity and affinity for their target molecules, allowing for efficient separation. MIPs can be synthesized using a variety of components and environmental conditions, allowing for customization and optimization of their properties. This flexibility enables the design of MIPs with specific recognition sites for sulfur-bearing template molecules, resulting in high selectivity and no effect on the octane value of the oil. Additionally, MIPs can be prepared using green processes, such as using inorganic materials as supports, which are environmentally friendly and have potential for reuse. However, there are also some limitations to using MIPs for sulfur compound separation. The synthesis protocol and optimization of parameters can be challenging and time-consuming. Furthermore, the adsorption capacity of MIPs may vary depending on the specific sulfur compounds and the type of MIPs used.
What are the applications of flame photometry?5 answersFlame photometry has both quantitative and qualitative applications. It can be used to compare emission intensities of unknown samples to standard solutions, specifically for alkali and alkaline earth metals. It is also used in the determination of sodium cation content in bentonite clay by promoting ion exchange with sodium. Additionally, flame photometry is used for measuring phosphor-containing compounds and sulfur-containing compounds, with signals generated by these compounds being much stronger than hydrocarbon compounds. In inorganic chemical analysis, flame photometry is used to determine the concentrations of certain metals in solution by measuring the intensity of light emitted by the metal when the solution is sprayed into a nonluminous flame. Flame photometry has found practical use in the determination of alkali and alkaline earth metals, particularly sodium and potassium, in various materials, including plasma and urine, providing rapid results for routine analyses.
What causes an abundence of sulfur in the atmosphere?5 answersSulfur in the atmosphere is caused by both natural and human activities. Natural sources include emissions from oceans, soils, plants, volcanic eruptions, and sea sprays. Human activities, such as the combustion of fossil fuels, industrial processes, biomass burning, agricultural activities, waste incineration, and the use of explosives, have significantly increased sulfur emissions in the atmosphere. These human influences have perturbed the natural sulfur cycle and have led to the accumulation of sulfur compounds in the atmosphere. Additionally, the deliberate application of sulfur onto croplands as fertilizer and pesticide has been found to cause environmental damage similar to historical acid rain events. Overall, the release of sulfur into the atmosphere from both natural and human sources has important implications for climate change, acidic deposition, and the health of ecosystems.