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BS 3900-D9
Methods of test for paints. Optical tests on paint films. Determination of colour and colour difference: measurement
Edition
1986-10-31
BS 3900-D8
Methods of test for paints. Optical tests on paint films. Determination of colour and colour difference: principles
Edition
1986-10-31
NF T30-407-1 ; NF EN ISO 11890-1:2007-09-01
Paints and varnishes - Determination of volatile organic compound (VOC) content - Part 1: difference method
Edition
2007-09-01
NF V04-060 ; NF EN ISO 14637:2007-05-01
Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
Edition
2007-05-01
FD X34-206 ; FD CEN/TR 14980:2006-01-01
Solid recovered fuels - Report on relative difference between biodegradable and biogenic fraction of SRF
Edition
2006-01-01
NF T37-001-3 ; NF EN 13523-3:2024-04-24
Coil coated metals - Test methods - Part 3: colour difference and metamerism - Instrumental comparison
Edition
2024-04-24
SN EN ISO 4045
Leather - Chemical tests - Determination of pH and difference figure (ISO 4045:2018)
Edition
2018-11
SN EN ISO 14637
Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004)
Edition
2007-05
SN EN 13523-3
Coil coated metals - Test methods - Part 3: Colour difference and metamerism - Instrumental comparison
Edition
2024-05
ISO 14637 ; IDF 195:2004-10
Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method)
Edition
2004-10
