The items that you might eat, drink or work with on a daily basis could be highly acidic, neutral or basic. Of these items, neutral is a complete balance of base and acid content. Base liquids include milk and soy milk for their alanine and glycine content. Acidic liquids are found in natural and processed foods, cleaning supplies and various drinks.
Many fruit juices register low on the pH scale, meaning they are considered acidic. Fruits like lemon, orange and grapefruit contain high levels of citric acid that attribute to the pH level. Tomato juice and various berries also contain citric acid, placing them at the lower, or acidic, end of the pH chart. Red currant juice is most notable of the berries, with a juice that is comparable to lemon juice.
Many common cleaners contain various acids to aid in stain and spot removal, degreasing and sanitising home surfaces. The most common acidic cleaner is bleach. Bleach is effective due to the acid stabilisation technique it employs. The acid within the cleaner will react with the dirty surface and turn the dirt or hazardous material into a water soluble material that is easily washed away. Other cleaners that contain acid are window cleaners, tile and grout cleaners and toilet cleaners.
One of the most common multi-purpose liquid is vinegar, which is often used in cooking, cleaning and deodorising surfaces. Vinegar contains acetic acid that gives the liquid its noticeably sour taste and smell. Another common multi-purpose liquid is wine, which contains tartaric and malic acid. Wine is commonly enjoyed as a drink, yet is also valuable when used for cooking. White wine is also helpful in removing dark grape juices, like concord grape juice or red wine, from carpets and countertops.
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