Leather. Chemical tests. Determination of matter soluble in dichloromethane and free fatty acid content1 Scope This document specifies a method for the determination of the substances in leather which are soluble in dichloromethane. This method is applicable to all types of leather. Not all fatty and similar substances can be extracted from leather with organic solvents; they may be in part soluble and partly bound to the leather. On the other hand, the solvent can dissolve non fatty substances, for example sulfur and impregnants, both of which cause

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Annex B “LNs for sensors and monitoring” of edition 1 has been deleted since these LNs are now covered by standard IEC 61850-7-4:2010)

interactivity

BS EN 3708-001 also applies to interconnections incorporating components

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The last subclause of each clause contains the editorial changes to the standard necessary to fully specify the topic in the standard

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1 Guidance on the selection of the exposure summation approach

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Methyl esters so produced are used in various analytical procedures requiring such derivatives