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  • Retsch : Home : Aplicaciones : Química / Plásticos
    Descargar PDF Haga una selección pdf Inglés 361 KB pdf Alemán 358 KB pdf Italiano 218 KB pdf Ruso 253 KB pdf Japonés 647 KB Thanks to the almost unlimited variety of plastics their fields of application are huge Abbreviations such as PE PET PC PP PBT or ABS not only describe a simple material but a whole class of products with many different characteristics Depending on the intended use

    Original URL path: http://www.retsch.es/es/aplicaciones/quimica-plasticos/dl_details/1/file/53e4b566-5a28-479c-9456-636500000000/ (2015-09-25)
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  • Retsch : Home : Aplicaciones : Química / Plásticos
    una selección pdf Inglés 85 KB pdf Alemán 226 KB Polycyclic aromatic hydrocarbons short PAH are usually a by product of combustion and can be found for example in cigarette smoke or oil based products Mineral oil containing PAH is often used in rubber products as plasticizer especially in black coloured products such as car tyres rubber grips of tools or rubber shoe soles It was discovered that some polycyclic

    Original URL path: http://www.retsch.es/es/aplicaciones/quimica-plasticos/dl_details/1/file/53e4b562-207c-4f75-9053-636500000000/ (2015-09-25)
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  • Retsch : Home : Aplicaciones : Química / Plásticos
    and phthalates Polynuclear aromatic hydrocarbons also known as PAH are used as plasticizers in many caoutchouc products such as for example rubber grips of tools Some PAH have a proven carcinogenic effect on humans that is why there are critical limits for the maximum concentration in consumer products Phthalates are used as plasticizers in plastics such as PVC Recent tests of the German consumer magazine test issue 09 2009 p

    Original URL path: http://www.retsch.es/es/aplicaciones/quimica-plasticos/dl_details/1/file/53e4b562-1870-4b55-ba01-636500000000/ (2015-09-25)
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  • Retsch : Home : Aplicaciones : Química / Plásticos
    pdf Inglés 600 KB pdf Alemán 607 KB pdf Italiano 530 KB pdf Japonés 759 KB For the size reduction of many materials it is more suitable to use a cryogenic mill than a laboratory mill which operates at room temperature The sample is embrittled by liquid nitrogen which improves its breaking behavior when submitted to impact pressure and friction moreover volatile components of the sample are preserved The RETSCH

    Original URL path: http://www.retsch.es/es/aplicaciones/quimica-plasticos/dl_details/1/file/53e4b54a-9804-45f7-be9a-636500000000/ (2015-09-25)
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  • Retsch : Home : Aplicaciones : Química / Plásticos
    well proven grinding principle Descargar PDF Haga una selección pdf Inglés 538 KB pdf Alemán 547 KB pdf Italiano 500 KB pdf Ruso 505 KB pdf Japonés 700 KB Cutting mills are used in many different areas of sample preparation for subsequent analyses Typical applications include the size reduction of secondary fuels the processing of biomass for renewable energy research the control of products in the context of RoHS and

    Original URL path: http://www.retsch.es/es/aplicaciones/quimica-plasticos/dl_details/1/file/53e4b562-49b4-48c8-b01c-636500000000/ (2015-09-25)
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  • Retsch : Home : Aplicaciones : Química / Plásticos
    Plásticos Química Plásticos Efficient Grinding at 196 C Descargar PDF Haga una selección pdf Inglés 198 KB pdf Alemán 2 MB RETSCH s New CryoMill for Safe and Reproducible Grinding with Liquid Nitrogen The CryoMill has been specially designed for cryogenic grinding The mill features an integrated cooling system which continually cools the grinding jar with liquid nitrogen before and during the grinding process Thus the sample is embrittled and

    Original URL path: http://www.retsch.es/es/aplicaciones/quimica-plasticos/dl_details/1/file/53e4b560-18f4-4b56-a963-636500000000/ (2015-09-25)
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  • Retsch : Home : Aplicaciones : Química / Plásticos
    Analytical Methods AAS NIR XRF Home Aplicaciones Química Plásticos Química Plásticos Sick with Dolls Descargar PDF Haga una selección pdf Inglés 458 KB pdf Alemán 120 KB pdf Francés 115 KB Traces of Heavy Metals in Toys A major part of the toys which are available in the American and European market are made in China Just recently there have been several occasions where potentially hazardous materials had been used in Chinese toys which lead to expensive product recalls With the growing media coverage of this problem the insecurity of the consumers grows as well Therefore it is in the very own interest of toy manufacturers to prove by a reliable quality control the innocuousness of their products Since the EU directive RoHS Restriction of hazardous substances has come into force there are strict limits for the amount of heavy metals such as lead cadmium and mercury allowed in consumer goods In order to prove traces of heavy metals in toys reliably it is absolutely necessary to carry out sample preparation with heavy metal free tools In addition the method must yield reproducible results and the time and manpower needed should be as low as possible Volver Suscripción al boletín

    Original URL path: http://www.retsch.es/es/aplicaciones/quimica-plasticos/dl_details/1/file/53e4b550-fe1c-4f5e-aea7-636500000000/ (2015-09-25)
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  • Retsch : Home : Aplicaciones : Química / Plásticos
    121 KB pdf Alemán 136 KB Mechanochemistry is a very effective method to carry out syntheses without solvents and by products The technical literature describes a great number of reactions where a conversion of 100 is achieved A precondition for the establishment of mechanochemistry in the industrial sector is the availability of suitable laboratory mills A decisive factor is that similar to conventional preparative chemistry ambient parameters such as pressure

    Original URL path: http://www.retsch.es/es/aplicaciones/quimica-plasticos/dl_details/1/file/53e4b55f-d800-480f-8154-636500000000/ (2015-09-25)
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