TY - JOUR T1 - Preparation of novel cosmetic white pigment by pyrophosphate treatment of zinc oxide JO - CerĂ¢mica A1 - Onoda, H. A1 - Hayashi, K. SN - 0366-6913 UL - 10.1590/0366-69132021673843173 VL - 67 Y1 - 2021 PB - Brasil ER -