ph值

• Ph measurement - specification for ph scale
  Ph值测量.第1部分: ph值标度规范
• Measurement of ph value of clear aqueous solutions
  透明含水溶液的ph值测量
• Standard test method for ph of wet blue
  测定湿铬鞣革的ph值的标准试验方法
• Determination of ph values of anti - freeze solutions
  防冻剂ph值的测定
• Test methods for screening of ph in waste
  在废弃物中筛选ph值的试验方法
• Test method for ph of fatty quaternary ammonium chlorides
  脂族季铵氯化物中ph值的测试方法
• Standard test methods for carbon black - ph value
  炭黑ph值的标准试验方法
• Ph measurement - general terms and definitions
  Ph值测量.一般术语和定义
• Methods for determination of ph in alundum powder
  刚玉粉ph值的测定方法
• The reaction should be buffered to a ph of between 6 and 11
  应使反应缓冲到ph值为6 11 。