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PFOS / PFOA detection


FOS is defined as "substances that persist in the environment, are bio-saving, and are harmful to humans". On December 17, 2006, the European Parliament and the Council of Ministers jointly issued the "Regulations on Restricting the Sale and Use of PFOS Directive (2006/122 / EC). PFOA is an abbreviation of ammonium perfluorooctanoate. PFOA is banned according to the general safety standards under the EU Directive 2004/1935 / EC.
As one of the most important chemical products of the 20th century, fluorinated organic compounds have been widely used in the fields of industrial production and consumer life. PFOS is the English abbreviation of PFOS. Those substances that can be decomposed into PFOS are called PFOS related chemicals.
PFOS application
PFOS-related chemicals used for surface treatment can ensure the anti-fouling, oil-proof and water-proof of personal clothes, home decoration, and car interiors;
PFOS related chemicals used for paper protection, as part of slurry forming, can ensure oil and water resistance of paper and cardboard;
Used in specialized industrial, commercial, and consumer fields, this category includes a variety of PFOS salts that are commercialized as end products.
PFOS Hazard
Perfluorochemicals accumulate in the adipose tissue of living organisms and are harmful to humans and wildlife. There is evidence to suggest that exposure to perfluorinated chemicals including PFOS and PFOA can cause birth defects, adversely affect the immune system, and disrupt thyroid function, which can cause many developmental problems during pregnancy.
PFOS restrictions
On December 27, 2006, the European Parliament and the Council of Ministers jointly issued the "Directive on Restricting the Sales and Use of PFOS" (2006/122 / EC), which took effect on the date of publication, that is, December 27, 2006 day.
Members will convert the content of the directive into their domestic law by December 27, 2007;
Member States shall implement the restriction measures on June 27, 2008;
The fire-fighting foam that was put on the market on December 27, 2006 can continue to be used until June 27, 2011;
Prior to December 27, 2008, each member state should announce specific measures to reduce the use and emission of PFOS in the electroplating industry, and the situation of fire foam containing PFOS in stock.
PFOS limit
If the product ingredient formula contains more than 0.005% (50ppm) of PFOS in total weight, it cannot be sold on the EU market;
Part of the semi-finished product or part containing PFOS, if the concentration of PFOS is greater than 0.1% (1000 ppm) of the total weight of this part;
Or if the PFOS concentration on the textile or coating material is greater than 1 ug / m2, it cannot be sold on the EU market.
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