Testing for Prohibited Substances

Restricted substance testing refers to testing certain specific chemical substances (usually toxic and harmful substances) during the production process of food, medicine, toys, textiles, etc., to protect the health and safety of consumers. Zhongke Testing provides testing services for banned and restricted substances in accordance with the laws and standards of various countries.

1. Banned substances: includes two meanings: A. Refers to certain or certain substances that are prohibited from use during production and processing according to relevant international standards, laws, regulations, or customer requirements; B. According to relevant international standards, laws, regulations, or customer requirements, certain or certain substances are subject to content limits, and substances that are prohibited from exceeding the content limit are also called banned substances.
2. Controlled materials: including but not limited to chemical materials such as glue and PP film used in products.

Heavy metals (cadmium and its compounds, lead and its compounds, mercury, hexavalent chromium), organic bromine compounds (polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), bromine (Br), other organic bromine compounds), organic chlorine compounds (polychlorinated biphenyls (PCB), polychlorinated naphthalenes (PCN), polychlorinated triphenyls (PCT), short-chain chlorinated alkanes (SCCP) , other organochlorine compounds), organotin compounds (TBT, TPT, TBTO), asbestos, azo compounds (AZO), formaldehyde (HCHO), phthalates (Phthalates), hydrofluorocarbons (HFC), perfluorocarbons (PFC), perfluorooctane sulfonate sodium (PFOS), perfluorooctanoic acid (PFOA), ozone depleting substances (ODS), etc.

standards and regulations: ROHS, REACH, CP65, CPSIA, W2647, EN71-3, HF, DH, etc.;
detection methods: There are five methods: X-ray fluorescence spectrometry (XRF), atomic absorption spectrometry (AAS), inductively coupled plasma optical emission spectrometry (ICP-OES), gas chromatography-mass spectrometry (GCMS), and ultraviolet-visible spectrophotometry (UV-Vis).

Zhongke Testing has a chemical analysis laboratory with advanced equipment, complete functions and complete projects. It has assembled and trained a group of professional and technical talents to provide targeted technical services for industrial manufacturing industries such as aviation, automobiles, rail transit, electronic appliances, and ships. Through one-stop testing services for banned and restricted substances from product development, design, production, use to scrap disposal, it helps the green environmental protection control of corporate products and ensures that corporate products comply with the laws and regulations of various countries and regions.