The Government of Canada’s terminology and linguistic data bank.

SAVON EAU DURE [1 record]

Record 1 1975-03-11


Subject field(s)
  • Chemistry
  • Vending Machines

before using the improved soap for the first time it is desirable to flush out the dispensers, soap lines and tanks with clean hot water, should the system contain [hard water soap or sediment.]


  • Chimie
  • Machines de distribution automatique

l'ébullition de ces eaux [de rivière] provoque la précipitation du tartre [...] Une telle eau, chargée en ions calcium et magnésium, est dite «dure». Sa dureté se mesure par «hydrotimétrie».


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