516 / | HD | COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF |
1 | DF | CONTINUOUS GAS OR VAPOR PHASE: COLLOID SYSTEMS; COMPOSITIONS CONTAINING AN AGENT FOR MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., SMOKE, FOG, AEROSOL, CLOUD, MIST) {4} |
4 | .~ Discontinuous phase formed by hydrolysis step (e.g., metal oxide from metal chloride/water reaction) |