Determination of PAHs
Accessory Analyses

Determination of PAHs

    PAHs Testing in Imitation Jewelry (Polycyclic Aromatic Hydrocarbons)


    What Are PAHs?

    Polycyclic Aromatic Hydrocarbons (PAHs) are a class of organic compounds primarily derived from petrochemical products, known for their potential harm to human health. In imitation jewelry, PAHs are often found in plastics, rubber, adhesives, and coating materials. These substances can penetrate the body through skin contact, leading to various health issues.


    Health and Environmental Effects of PAHs

    Health Risks

    • Carcinogenicity: Certain PAHs are classified as carcinogens.
    • Chronic Exposure: Long-term contact may cause skin irritation, respiratory issues, and hormonal imbalances.

    Environmental Effects

    • Persistent Pollutants: PAHs are resistant to biodegradation, causing long-term pollution when released into the environment.

    PAHs Testing Process

    PAHs testing in imitation jewelry identifies the presence and concentration of these harmful compounds to ensure compliance with health and safety standards.

    1. Test Methods

      • GC-MS (Gas Chromatography-Mass Spectrometry):
        A highly precise method used to detect PAH components.
      • HPLC (High-Performance Liquid Chromatography):
        Measures and analyzes the concentration of PAHs.
    2. Sample Preparation

      • Samples of plastics, rubber, or coating materials from imitation jewelry are collected.
      • PAHs release from surfaces in contact with the skin is evaluated.

    PAHs Limit Values According to Standards

    • European Union REACH Regulation:
      • Total PAHs content in consumer products with skin contact must not exceed 1 mg/kg (0.0001%).
      • For children's products, the limit is stricter: 0.5 mg/kg.
    • International and Regional Regulations:
      • Similar limits apply in Saudi Arabia and GCC countries.

    Importance of PAHs Testing

    Consumer Health

    • Ensures jewelry is free of PAHs, minimizing health risks and providing safety assurance.

    Legal Compliance

    • Enables manufacturers and importers to meet legal requirements and avoid regulatory penalties.

    Brand Value

    • Offering safe products boosts brand reliability and promotes an eco-friendly image.

    Compliance Process

    1. Laboratory Testing
      • PAHs levels in jewelry are analyzed, and test reports are prepared.
    2. Certificate of Conformity (CoC)
      • Products passing the tests receive a compliance certificate.
    3. Product Labeling
      • Labels such as "PAHs-Free" or "Low PAHs" are added to compliant products.

    PAHs testing in imitation jewelry is a crucial process to ensure product safety and adherence to legal regulations. It plays a vital role in providing consumers with safe products and minimizing environmental impact.