This standard is applicable to food additive silicon dioxide produced by gas phase method (hydrolysis of chlorosilane in oxyhydrogen flame) or precipitation method (including gel method, produced by reaction of sodium silicate solution and acid).
GB 25576-2010 history
2020GB 25576-2020 National Food Safety Standard Food Additive Silica
2010GB 25576-2010 National Food Safety Standard Food Additive Silicon Dioxide