Measure the phthalic anhydride according to ASTM D 563. Calculate according to the procedure of article 4 of D 563 of the ASTM and divide the phthalic anhydride content of the sample by the percentage of binder in the sample in order to obtain the
CGSB 1-GP-71 METH 50.14-1980 history
1980CGSB 1-GP-71 METH 50.14-1980 Methods of Testing Paints and Pigments Pigment Analysis Insoluble Siliceous Matter