Polycyclic Aromatic Hydrocarbon (PAH) Standards

Polycyclic Aromatic Hydrocarbon (PAH) Standards

Polycyclic aromatic hydrocarbons (PAHs) refer to aromatic hydrocarbons containing two or more benzene rings. They mainly have two combinations, one is non-fused ring type, which includes biphenyl and biphenyl and polyphenyl substituted aliphatic hydrocarbons. The other is a fused ring type, that is, two carbon atoms are shared by two benzene rings. PAHs are toxic, genotoxic, mutagenic, and carcinogenic, and can cause many harms to the human body, such as damage to the respiratory system, circulatory system, nervous system, liver, and kidneys, and are identified as the main organic pollutants affecting human health.

PAHs in the environment are a class of compounds that are widely present, and more than 200 polycyclic aromatic hydrocarbons have been detected in the environment. For now, the main source of PAHs is the burning of coal and wood. The content of PAHs is one of the important criteria for evaluating air pollution and water pollution.

Application fields

Why choose Alfa Chemistry?

Alfa Chemistry is one of the largest providers of polycyclic aromatic hydrocarbon (PAH) standards in the world and the quality assurance is of prime importance to Alfa Chemistry. The solvent from Alfa Chemistry in the world is synonymous with reliability and excellent quality. Because of the exacting nature of our business and the regulatory demands placed upon our industry, Alfa Chemistry continues to be at the forefront in terms of compliance, accreditations and certifications.

References

  1. Xiaoyang, C.; et al. Leaching of polycyclic aromatic hydrocarbons (PAHs) from sewage sludge-derived biochar [J]. J. Chem. Engineering. 2019, 373, 840-845.
  2. Somandla, N.; et al. Recent advances in the adsorbents for isolation of polycyclic aromatic hydrocarbons (PAHs) from environmental sample solutions[J]. TrAC Trends in Analytical Chemistry. 2018, 99, 101-116.
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