NF T31-230-7*NF EN ISO 787-7:2009 General methods of test for pigments and extenders - Part 7 : determination of residue on sieve - Water method - Manual procedure
2009NF T31-230-7*NF EN ISO 787-7:2009 General methods of test for pigments and extenders - Part 7 : determination of residue on sieve - Water method - Manual procedure