chlorinated paraffin long chain length 20% chlorine export pakistan

  • The New POPs

    Chlorinated paraffins are produced by chlorination of straight-chained paraffin fractions. The carbon chain length of commercial chlorinated paraffins is usually between 10 and 30 carbon atoms. Short-chained chlorinated paraffins is between C10 and C13. The production of SCCPs has decreased globally as jurisdictions have established control ...

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  • Occurrence and mass balance of medium- and long-chain ...

    Dec 01, 2019· 1. Introduction. Chlorinated paraffins (CPs) are mixtures of commercially produced polychlorinated alkanes with variable chlorination degrees and carbon chain lengths (de Boer et al., 2010).The chemicals are generally classified into three groups: short-chain CPs (carbon number: 10–13, SCCPs), medium-chain CPs (carbon number: 14–17, MCCPs), and long-chain CPs (carbon number: …

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  • how to remove chlorinated paraffin price india

    Chlorinated paraffins (CPs) are complex mixtures of polychlorinated n-alkanes.The chlorination degree of CPs can vary between 30 and 70 wt%.CPs are subdivided according to their carbon chain length into short-chain CPs (SCCPs, C 10–13), medium-chain CPs (MCCPs, C 14–17) and long-chain CPs (LCCPs, C >17).Depending on chain length and ...

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  • Chlorinated Paraffins in Human Milk from Urban Sites in ...

    Short-, medium-, and long-chain chlorinated paraffins (SCCPs, MCCPs, and LCCPs) were analyzed in human milk from the Yangtze River Delta (YRD) and Scandinavia. Individual samples were collected from Shanghai, Jiaxing, and Shaoxing (China), Stockholm (Sweden), and Bodø (Norway) between 2010 and 2016. Mean concentrations (range) of SCCPs, MCCPs, and LCCPs in samples from the YRD were …

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  • Chlorinated Paraffins - Environment and Climate Change Canada

    Following the assessment of chlorinated paraffins conducted under the first Priority Substances List (PSL1), available data were considered inadequate to evaluate whether medium and long chain chlorinated paraffins were considered to be “toxic” as defined under section 11 of the 1988 Canadian Environmental Protection Act (CEPA 1988). While information on the environmental effects of short ...

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  • Materials | Free Full-Text | Effect of Cereclor as ...

    Chlorinated paraffin (CP) or polychlorinated n-alkanes (PCAs) commonly known as “Cereclor” have the general formula (CnH2n + 2 − zClz) and are composite blends comprising thousands of various isomers, diastereomers, and enantiomers. CPs are further subcategorized according to their carbon chain length from short to medium to long chains.

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  • Listing of POPs in the Stockholm Convention

    Chlorinated paraffins are produced by chlorination of straight-chained paraffin fractions. The carbon chain length of commercial chlorinated paraffins is usually between 10 and 30 carbon atoms. Short-chained chlorinated paraffins is between C10 and C13. The production of SCCPs has decreased globally as jurisdictions have established control ...

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  • 10.1016/j.envint.2005.04.006 | DeepDyve

    Jun 11, 2020· In industry, PCAs are designated according to the carbon chain length of the feedstock: short chain chlorinated paraffins (SCCPs, here called sPCAs) — C 10–13 ; medium chain chlorinated paraffins (MCCPs, here called mPCAs) — C 14–17 ; long chain chlorinated paraffins (LCCPs) — …

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  • Distributions of chlorinated paraffins and the effects on ...

    Jul 01, 2020· 1. Introduction. Chlorinated paraffins (CPs) have been widely used as metalworking fluids and additives for polymeric materials in the industry (van Mourik et al., 2016).They are semi-volatile and hydrophobic mixtures of polychlorinated n-alkanes (Sijm and Sinnige, 1995).According to carbon chain length, CPs can be classified as short-chain CPs (SCCPs, C 10–13), medium-chain CPs (MCCPs, C …

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  • Listing of POPs in the Stockholm Convention

    Chlorinated paraffins are produced by chlorination of straight-chained paraffin fractions. The carbon chain length of commercial chlorinated paraffins is usually between 10 and 30 carbon atoms. Short-chained chlorinated paraffins is between C10 and C13. The production of SCCPs has decreased globally as jurisdictions have established control ...

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  • Atmospheric Short-Chain Chlorinated Paraffins in China ...

    They are classified according to their chain length as short chain (C10-C13), medium chain (C14-C17), and long chain (C20-C30) CPs. The degree of chlorination varies between 30 and over 70%.

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  • how to export chlorinated paraffin from usa supplier turkey

    Chlorinated paraffins (CPs) are complex mixtures of polychlorinated n-alkanes.The chlorination degree of CPs can vary between 30 and 70 wt%.CPs are subdivided according to their carbon chain length into short-chain CPs (SCCPs, C 10–13), medium-chain CPs (MCCPs, C 14–17) and long-chain CPs (LCCPs, C >17).Depending on chain length and ...

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  • Levels of Chlorinated Paraffins in Water, Clean - Soil ...

    Jun 01, 2010· CPs are categorized in short chain (SCCPs, C10–13), medium chain (MCCPs, C14–17), and long‐chain chlorinated paraffins (LCCPs, C18–30). CPs have been widely used since 1930s mainly as metalworking fluids, plasticizers, flame retardants, and …

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  • Dioxin-like activities, halogenated flame retardants ...

    Short-, medium-, and long-chain chlorinated paraffins (SCCPs, MCCPs, and LCCPs) have a wide range of physical-chemical properties, indicating their varying bioaccumulation tendencies in …

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  • Biodegradation of chlorinated paraffins and long-chain ...

    Jun 01, 1999· 1. Introduction. Chlorinated paraffin is a term applied to a large group of industrially important chemicals derived from n-paraffins.They have a chain-length of between 10–30 carbon atoms, and a degree of chlorination of 40–70% (w w −1) (Birtley et al., 1980).Chlorinated paraffins are widely used as plasticisers, lubricants and flame retardants, with an estimated worldwide production of ...

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