基于亮蓝为显色剂的高酸度试纸
赫春香*, 王微, 霍春宝, 高峰*

High Acidity Test Paper Based on Brilliant Blue as Color Agent
HE Chunxiang, WANG Wei, HUO Chunbao, GAO Feng

高酸度试纸( c(HCl)=0 )和标准比色板