The UN environment programme, said about the persistent organic pollutants in Stockholm convention on August 26th amendment effect, the amendment will 9 kinds of human and animal health and the environment of toxic chemicals used in restricted and prohibited the list of chemicals, thereby convention is restricted and prohibited the use of chemical total to 21.

In September of this kind of new chemical substance in the world, is often used to pesticides and flame retardants, exist widely in industrial and agricultural production and urban construction, the use of chemicals. Because they are easy to absorb and animal organs, easy decomposition, has transferred to the next generation and its harm appeared in the years after the characteristics, belong to a creature of toxic chemicals accumulating. The secretary-general says, will this 9 kinds of toxic chemicals included in the convention, restricted and prohibited use of chemical substances list, showing the world in the global eradication of the toxic substances, and reduce the determination, do to public health, can promote sustainable development and green economy brings broader interests.

This includes: 9 kinds of chemicals (alpha, beta cyclohexane (cyclohexane, hexabromo-cyclododecane diphenyl ether and seven bromine diphenyl ether, tetrabromobisphenol diphenyl ether and five bromine diphenyl ether, ten chlorine ketone, hexabromo-cyclododecane biphenyl, Lin, five chlorobenzene and silane sulfonic acid &its essien and fluorine octyl sulfonylurea acyl fluorine. This is the amendments on persistent organic pollutants in Stockholm convention for the first time limit and banning the use of chemical modification of the convention, that governments have poisonous chemicals problems mentioned the global agenda.

The United Nations environment programme in the international society, in 2001 passed on persistent organic pollutants, Stockholm convention convention of 12 restricted and prohibited the production and use of chemical substances, including the use of DDT, LvDan ant spirit, etc., eight kinds of organochlorine pesticides, including PCBS, industrial chemicals and 2 kinds of dioxin, including 2 kinds of industrial production or burning by-product of, this convention on November 2004 11 to China formally went into effect.

Due to differences exist market, late September, international sulfur price movements, including Iran, the differentiation of the vancouver market continues rising trend continues to rise, Belgium, the Netherlands, etc, the trend of the market fall, also appeared in Kuwait, Saudi Arabia and the market price.

Solid sulfur, compared with mid-september fob, Iran ($125-130 tons, similarly hereinafter), low price, high prices for 15 20. Vancouver 110-125, low price and high prices are rising. The black sea region 80-100, Kuwait, Saudi Arabia 138-145 138-145, the price change.

Liquid sulfur cif: Belgium 135-140, low price, high prices fell 3 dropped 5. The Dutch 135-140, low price, high prices fell 3 dropped 5. Mediterranean 100-110, north-western Europe area; 110-122. The price change.

Because they are easy to absorb and animal organs, easy decomposition, has transferred to the next generation and its harm appeared in the years after the characteristics, belong to a creature of toxic chemicals accumulating. The secretary-general says, will this 9 kinds of toxic chemicals included in the convention, restricted and prohibited use of chemical substances list, showing the world in the global eradication of the toxic substances, and reduce the determination, do to public health, can promote sustainable development and green economy brings broader interests.

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