Sample preparation. Dispersing procedures for powders in liquids1 Scope This International Standard was developed to help particle size analysts make good dispersions from powder liquid combinations with which they are not experienced. It provides procedures for wetting a powder into a liquid; deagglomerating the wetted clumps; determining if solution composition can be adjusted to prevent reagglomeration; selecting dispersing agents to prevent reagglomeration; evaluating the stability of the dispersion against

It then explains the submission of products for sampling

General test procedures and their validity are presented for determining peak- and slide-braking coefficients on actual test surfaces

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Performance requirements for vacuum and flowrate