This part of ISO 105 describes a method for the de-termination of solubility of water-soluble dyes at 25 ℃ in aqueous solution without previous heating. The method is not intended to measure absolute sol-ubility.
NOTE 1 Several factors which may influence test results are listed in annex A.
BS EN ISO 105-Z09:1998 history
1998BS EN ISO 105-Z09:1998 Textiles. Tests for colour fastness. Determination of cold water solubility of water-soluble dyes