Surface modifiion of silica powder by mild ball milling
WEBNov 5, 2022 · Amorphous silica powder (SOC1, Admatechs, , Japan) was used to prepare modified silica. The average diameter was 230 nm and a specific surface area of m 2 /g measured using the BrunauerEmmettTeller method. Twenty grams of silica powder and 250 g of zirconia balls with a diameter of 5 mm were placed in a 250 ml .