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PFOS (perfluorooctane sulfonate) / PFOA (perfluorooctanoic acid) to detect

As the 20th century, one of the most important chemical products, fluorinated organic compounds in the field of industrial production and consumption has a wide range of applications. Perfluorooctane sulfonate PFOS is the abbreviation of the material that can be broken down into PFOS PFOS-related chemicals were known.

PFOS applications
    ■ used for surface treatment of PFOS-related chemicals, ensure personal clothing, home decoration, car interior pollution, oil and water;
    ■ protection for paper PFOS-related chemicals, as forming part of the slurry, paper and cardboard can ensure oil and water;
    ■ for specialized industrial, commercial and consumer areas, including the type of final product to be commercialized as PFOS salt.

PFOS hazard
Perfluorinated chemicals accumulate in the fatty tissue of living organisms for humans and wildlife are harmful. Evidence, including evidence-based exposure to PFOS and PFOA perfluorinated chemicals may cause birth defects, adverse effects on the immune system, but also damage thyroid function, so that during pregnancy, can cause many developmental problems.

PFOS ordering
December 27, 2006, the European Parliament and the Council of Ministers jointly released the "limit PFOS sale and use of the directive" (2006/122/EC), Directive entered into force on the date of publication, from 2006 December 27, days.
    ■ members on December 27, 2007 will be the content of directive into its domestic law;
    ■ Member States shall on June 27, 2008 began to implement restrictive measures;
    ■ 2006 年 12 月 27 launch date of the fire can continue to use foam to June 27, 2011;
    ■ 2008 年 12 月 27 days ago, Member States should announce: reducing use and emissions of PFOS electroplating industry specific measures, inventory of fire fighting foam containing PFOS situation.

PFOS limit
Product composition formula, if contains the total weight is greater than 0.005% (50ppm) of PFOS, not in the EU market;
Semi-finished products or parts in the part containing PFOS, PFOS concentrations greater than this if the majority of the total weight of 0.1% (1000ppm);
Or on textiles or coated materials PFOS concentrations greater than 1 ug/m2, can not be marketed in the EU.

Another PFOA perfluorinated chemicals
Another common perfluorinated chemicals perfluorooctanoic acid (PFOA) and its salts, surface treatment applications, including household products (such as nonstick cookware), convenience food packaging, they are also suspected of carrying the same risk with PFOS.
European Parliament has already made PFOA and PFOA salt limits, require re-examination of risk events, looking for safer alternatives and to define risk reduction measures. PFOA has caused harm to the United States Bureau of public attention and supervision, they have been included in the California Proposition 65 carcinogen.