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- VOCs Analysis in Soil Samples
VOCs Analysis in Soil Samples
Online InquiryThrough our global network of testing experts and analytical equipment including chromatography (HPLC, GC, GC/MS) and atomic absorption spectroscopy (AAS, GFA, FIAS), Our goal is to provide test services as efficiently as possible to maximize our customers' profits. For more information about our services, contact one of our experts today.
Note: this service is for Research Use Only and Not intended for clinical use.
Volatile organic compounds (VOCs) are organic chemicals most commonly encountered at hazardous waste1. Many VOCs are considered hazardous because they are mutagenic, carcinogenic, or teratogenic. They are commonly the controlling contaminants in site restoration projects. Decisions regarding the extent of contamination and the degree of cleanup have far-reaching effects; therefore, it is essential to accurate measurement VOC concentrations. VOCs, however, present sampling, sample handling, andanalytical difficulties, especially when encountered in soils and other solid matrices.
In recent years, with the rapid development of industrial and agricultural production, industrial pollution in the soil environment has become increasingly serious. The soil is one of the most important natural elements and the material basis for human survival. The state of soil environmental quality is not only directly related to the safety of agricultural products and ecological security, but also relates to human health, and even relates to social development and stability. Volatile organic compounds (VOCs) are extremely important pollutants in many soil pollutants. Alfa Chemistry VOCs testing services help you ensure that your products meet international VOC requirements for environmental protection and human health.
VOCs testing-Fast Analysis method in soil
Our company has advanced rapid analysis equipment.VOCs are characterized by their high volatility and loss. We mainly use the GC-MS detection method. EPA first issued the Volatile Organic Compounds by Gas Chromatography/Massspectrometry method in 1996, which specifies that the measurement method of VOCs should be GC-MS. GC-MS can simultaneously perform qualitative and quantitative analysis of a variety of complex organics.The headspace method and the purge-and-trap method are used to analyze VOCs in the soil. This method depends on the sample concentration. The headspace method is simple and reproducible, allowing the use of an autosampler. The cleaning and trapping method uses a collector to concentrate the sample and can measure the low concentration sample with a sensitivity that is 10 to 100 times higher than the headspace method.
Testing indicators of VOCs in soil
| Limit of report | ||
|---|---|---|
| Analyte | Water(μg/L) | Soil(mg/kg) |
| BTEX(6 Compounds) | ||
| Benzene | 0.5 | 0.05 |
| Toluene | 0.5 | 0.05 |
| Ethylbenzene | 0.5 | 0.05 |
| o-Xylene | 0.5 | 0.05 |
| m-Xylene | 0.5 | 0.05 |
| p-Xylene | 0.5 | 0.05 |
| OXYGENATED HYDROCARBONS | ||
| Vinyl acetate(VA) | 20 | 1 |
| 2-Butanone(MEK) | 20 | 1 |
| 4-Methyl-2-pentanone(MIBK) | 20 | 1 |
| 2-Hexanone(MBK) | 20 | 1 |
| SULFONATED COMPOUNDS | ||
| Carbon disulfide | 20 | 1 |
| MONOCYCLIC AROMATICHYDROCARBONS | ||
| Isopropylbenzene | 0.5 | 0.05 |
| n-Propylbenzene | 0.5 | 0.05 |
| 1,3,5-Trimethylbenzene | 0.5 | 0.05 |
| tert-Butylbenzene | 0.5 | 0.05 |
| 1,2,4-Trimethylbenzene | 0.5 | 0.05 |
| sec-Butylbenzene | 0.5 | 0.05 |
| p-Isopropyltoluene | 0.5 | 0.05 |
| FUMIGANTS | ||
| 2,2-Dichloropropane | 0.5 | 0.05 |
| 1,2-Dichloropropane | 0.5 | 0.05 |
| cis-1,3-Dichloropropene | 0.5 | 0.05 |
| trans-1,3-Dichloropropene | 0.5 | 0.05 |
| 1,2-Dibromoethane(EDB) | 0.5 | 0.05 |
| HALOGENATED ALIPHATICHYDROCARBONS | ||
| HALOGENATED AROMATICHYDROCARBON |
Relate instruments for VOCs analysis
High-Performance Liquid Chromatography (HPLC)
Gas Chromatography-Mass Spectrometry (GC-MS)
Services
We are seasoned professionals who can provide accurate and reliable tests results within the time constraint. Alfa Chemistry is proud of the competence and professionalism of our technicians and constantly strives to develop their capabilities and knowledge to benefit our customers. Please feel free to contact us if you have any concern or would like us to perform any VOCs testing. Check our instruments list to see our capabilities.
Reference
Lewis, T. E., et al. (1994). "Soil sampling and analysis for volatile organic compounds." Environmental Monitoring and Assessment30(3): 213-246.
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