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Make or become acid:[with object] ‘pollutants can acidify surface water’
- ‘International shipping may be one of the largest sources of air pollutants along the Norwegian coast and in the Northern Atlantic, forming ground-level ozone and acidifying shorelines, according to Norwegian researchers.’
- ‘The reaction mixture was poured onto water, acidified and extracted with ethyl acetate.’
- ‘Scientists know that carbon dioxide is warming the atmosphere, which in turn is causing sea level to rise, and that the CO 2 absorbed by the oceans is acidifying the water.’
- ‘To acidify alkaline soils, mix in peat or acid fertilizer periodically.’
- ‘It is the hydrogen ion component that is toxic, affecting cell membranes, acidifying substrata, and leaching metals like calcium.’
- ‘This might have generated enough debris to block out sunlight and trigger an ice age, enough sulfuric acid to acidify the oceans, and/or enough carbon dioxide to cause global warming by a greenhouse effect.’
- ‘Sulfur dioxide creates a haze of pollution that cripples people and acidifies lakes.’
- ‘If they are to be canned as acid foods, these products must be acidified to a pH of 4.6 or lower with lemon juice or citric acid.’
- ‘One of the new studies finds that the increase in carbon dioxide (to which temperature rises have been mainly attributed) is also having a previously unpredicted impact in acidifying the world's oceans.’
- ‘Lactic acid acidifies crop contents, making them less conducive to bacterial growth.’
- ‘Israeli researchers at the Weizman Institute of Science and Tel Aviv University have discovered that cranberries do much more than slightly acidifying urine.’
- ‘Therefore, regions where this form of rock is present are especially sensitive to the effects of acid rain, and lakes in these areas become acidified very quickly.’
- ‘They keep the excess nitrogen from acidifying the upper soil horizons.’
- ‘Bleach doesn't acidify water, but it does kill bacteria.’
- ‘In contrast to cereals or other crops, legumes are known to acidify the rhizosphere even when supplied with nitrates.’
- ‘Malic acid is available commercially for use in acidifying foods and beverages and in numerous industrial processes.’
- ‘If you irrigate, and your water is also alkaline, acidify it with 2 teaspoons of vinegar per gallon of water.’
- ‘To acidify soil, sprinkle two tablespoons of aluminum phosphate or sulfur around the shrubs in early fall.’
- ‘The supernatant was collected and the sediment suspended in a double volume of water, acidified and centrifuged.’
- ‘If you must plant a pin oak in an alkaline environment, acidify the soil before planting.’
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