BS EN ISO 4047:1998
Leather - Determination of sulphated total ash and sulphated water-insoluble ash

Standard No.

BS EN ISO 4047:1998

Release Date

1998

Published By

British Standards Institution (BSI)

Latest

BS EN ISO 4047:1998

Scope

This national publication has been approved for sulfuric acid ash in leather, sulfuric acid, and non-aqueous ash removal method. This method can be used for various kinds of leather. If the leather contains organic metal compounds (such as silicone), this method is definitely not possible.

BS EN ISO 4047:1998 history

• 2010 BS EN ISO 20869:2010 Footwear - Test methods for outsoles, insoles, lining and insocks - Water soluble content
• 1999 BS EN 12748:1999 Footwear - Test Methods for Outsoles, Insoles, Lining and Insocks - Water Soluble Content
• 1974 BS 1309:1974 Methods of sampling and chemical testing of leather