acidity

• Standard test method for acidity in aviation turbine fuel
  航空涡轮机燃料酸度的标准试验方法
• Fruit and vegetable juices . determination of titrable acidity
  果汁和蔬菜汁.可滴定酸度的测定
• Determination of acidity of oils in oilseeds
  油籽中油的酸度测定
• Determination method for acidity
  矿物棉及其制品酸度系数测定方法
• Method for determination of acidity of starches and derived products
  淀粉及其衍生物酸度测定方法
• Milk powder - determination of titratable acidity
  滴定酸度的测定
• Oilseeds . determination of acidity of oils
  油籽.油酸度的测定
• Paper , board and pulp - determination of acidity or alkalinity
  纸纸板和纸浆水抽提液酸度或碱度的测定
• Milk . determination of titratable acidity
  奶.滴定酸度的测定
• Determination of acidity or alkalinity of the aqueous extract of pigments
  颜料水萃取液酸碱度的测定