Standard Svensk standard · SS-ISO 1407:2009

Gummi - Bestämning av halten extraherbara ämnen (ISO 1407:2009, IDT)

Status: Upphävd

· Ersätts av: SS-ISO 1407:2011
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Standard Svensk standard · SS-ISO 1407:2009

Gummi - Bestämning av halten extraherbara ämnen (ISO 1407:2009, IDT)
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Omfattning
This International Standard specifies three methods for the quantitative determination of the material extractable from raw rubbers, both natural and synthetic, and their unvulcanized and vulcanized compounds. - method A measures the mass of the solvent extract, after evaporation of the solvent, relative to the mass of the original test portion; - method B measures the difference in the mass of the test portion before and after extraction; - method C, which is for raw rubber only, measures the difference in the mass of the test portion before and after extraction using boiling solvent. NOTE 1 Depending on the test method used, the conditioning of the test portion and the solvent used, the test result will not necessarily be the same. NOTE 2 Method C generally gives results which are lower than those obtained with methods A and B due to the fact that an equilibrium is set up, particularly if large test portions are used, depending on the content and the nature of the extractable matter. Method C is, however, a quicker method than method A or method B. NOTE 3 Method C is not suitable if the test portion disintegrates during the extraction. Recommendations as to the solvent most appropriate to each type of rubber are given in Annex A.

Ämnesområden

Gummi (83.060)


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Standard Svensk standard · SS-ISO 1407:2009

Gummi - Bestämning av halten extraherbara ämnen (ISO 1407:2009, IDT)
Prenumerera på standarden - Läs mer Dölj
Pris: 875 SEK
standard ikon pdf

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Pris: 875 SEK
standard ikon

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Produktinformation

Språk: Engelska

Framtagen av: Gummi och gummiprodukter, SIS/TK 154

Internationell titel: Rubber - Determination of solvent extract (ISO 1407:2009, IDT)

Artikelnummer: STD-70147

Utgåva: 2

Fastställd: 2009-07-03

Antal sidor: 24

Ersätter: SS-ISO 1407/Cor 1:2007 , SS-ISO 1407

Ersätts av: SS-ISO 1407:2011