BS 6648:1986

This standard BS 6648:1986 Methods for wet ashing of textile materials for subsequent determination of metal content is classified in these ICS categories:

• 59.080.01 Textiles in general

This British Standard describes two methods for wet ashing of textile materials for subsequent determination of metal content. Method A is a general method while method B is applicable for the determination of mercury.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

CAUTION. To avoid hazard it is essential that the conditions described be carefully followed and carried out only by trained operators.

It is essential to wear safety goggles and to carry out the procedures in a fume cupboard.

Methods involving the controlled heating of the specimen with a mixture of nitric and sulphuric acids.