ISO 10349-7:1992
p
ISO 10349-7:1992
21264

Abstract  Preview

The method is based on weighing the test portion, dissolution in carbon-dioxide-free water, adding phenolphthalein indicator, and observing the colour of the test solution: if the test solution turns pink, determination of the alkalinity, if it remains colourless, determination of the acidity.


General information 

  •  :  Published
     : 1992-12
  •  : 1
     : 2
  •  : ISO/TC 42 Photography
  •  :
    37.040.30 Photographic chemicals

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