DIN EN ISO 105-J02-1999 纺织品.色牢度试验.第J02部分.相对白度的仪器测量(技术勘误1-1998)
Textiles - Tests of colour fastness - Part J02: Instrumental assessment of relative whiteness (ISO 105-J02:1997, including Technical Corrigendum 1:1998); German version EN ISO 105-J02:1999
The document povides a method of calculating the colour difference between two specimens of the same materials, measured unter the same conditions, such that the numerical value ECMC(I:c) for the total colour difference quantifies the extent to which the two specimens do not match.