hard water

Catalan translation: aigua dura

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English term or phrase:	hard water
Catalan translation:	aigua dura

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12:57 Feb 23, 2010

English to Catalan translations [PRO]
Science - Chemistry; Chem Sci/Eng
Additional field(s): Environment & Ecology

English term or phrase: hard water

Definition from antoine.frostburg.edu:
Hard water is water contaminated with compounds of calcium and magnesium. Dissolved iron, manganese, and strontium compounds can also contribute to the "total hardness" of the water, which is usually expressed as ppm CaCO3. Water with a hardness over 80 ppm CaCO3 is often treated with water softeners, since hard water produces scale in hot water pipes and boilers and lowers the effectiveness of detergents.

Example sentence(s):

Some laundry detergents do not produce as many suds in hard water, these are likely to be soap-based products and do not work as well in hard-water as detergent based products. water-treatment.org.uk
Hard water also contributes to inefficient and costly operation of water-using appliances. Heated hard water forms a scale of calcium and magnesium minerals that can contribute to the inefficient operation or failure of water-using appliances. Wilkes University
Clothes washed in hard water often look dingy and feel harsh and scratchy. sciLinks

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aigua dura

Definition:
S'anomena aigua dura l'aigua que té un elevat contingut de minerals (en contrast amb l'aigua tova). L'aigua dura sol consistir d'ions de calci (Ca2+) i magnesi (Mg2+), així com altres compostos possiblement dissolts com ara els bicarbonats i sulfats

Selected response from:

Judith Payro
Brazil

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aigua dura

Judith Payro

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peer agreement (net): +2

aigua dura

Definition from viquipèdia:
S'anomena aigua dura l'aigua que té un elevat contingut de minerals (en contrast amb l'aigua tova). L'aigua dura sol consistir d'ions de calci (Ca2+) i magnesi (Mg2+), així com altres compostos possiblement dissolts com ara els bicarbonats i sulfats

Example sentence(s):

Les aigües dures no són perjudicials per a la salut ja que els minerals que contenen, calci i magnesi, són necessaris per al cos humà. - Aigües de Barcelona
L'aigua que no va bé per ensabonar rep el nom d'aigua dura i la que ensabona bé, aigua blana. - EduAlter
L'aigua dura forma incrustacions que afavoreixen la corrosió de les canonades. També és la culpable de problemes d'obstruccions en valvulería i grifería, a més de malgastar els rendiments energètics dels escalfadors. - blautec

Judith Payro
Brazil
Local time: 22:28
Native speaker of:

Spanish,

Catalan
PRO pts in category: 4

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Catalan translation: aigua dura

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