ISO 8213 Chemical products for industrial use; Sampling techniques; Solid chemical products in the form of particles varying from powders to coarse lumps
JIS Z 8819-1 Representation of results of particle size analysis -- Part 1: Graphical representation
JIS Z 8830:2001 Determination of the specific surface area of powders (solids) by gas adsorption method
JIS Z 8831-2:2010 history
2010JIS Z 8831-2:2010 Pore size distribution and porosity of solid materials -- Part 2: Analysis of mesopores and macropores by gas adsorption