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Sodium bicarbonate (IUPAC name: sodium hydrogencarbonate [9]), commonly known as baking soda or bicarbonate of soda, is a chemical compound with the formula NaHCO 3. It is a salt composed of a sodium cation (Na +) and a bicarbonate anion (HCO 3 −). Sodium bicarbonate is a white solid that is crystalline but often appears as a
Birch sap, birch water or birch juice is the sap directly tapped from birch trees, Betula pubescens (white birch), Betula pendula (silver birch), Betula lenta, Betula papyrifera, and Betula fontinalis. Birch sap may be consumed both fresh and naturally fermented. When fresh, it is a clear and colourless liquid, often slightly sweet with a ...
Similar to the Bordeaux mixture, one of the earliest fungicides in use, Burgundy mixture, also known as “sal soda Bordeaux”, is used as a fungus preventative applicant on plants before fungi have appeared. [4]
The natural cause is the presence of soil minerals producing sodium carbonate (Na 2 CO 3) and sodium bicarbonate (NaHCO 3) upon weathering. Coal-fired boilers / power plants, when using coal or lignite rich in limestone, produce ash containing calcium oxide.
A bicarbonate salt forms when a positively charged ion attaches to the negatively charged oxygen atoms of the ion, forming an ionic compound. Many bicarbonates are soluble in water at standard temperature and pressure; in particular, sodium bicarbonate contributes to total dissolved solids, a common parameter for assessing water quality. [6]
The word "barilla" was also used directly to refer to soda ash from any plant source, including not only the saltworts grown in Spain, but also glassworts, mangroves, and seaweed. [6] These types of plant-derived soda ash are impure alkali substances that contain widely varying amounts of sodium carbonate (Na 2 CO 3 ), some additional potassium ...
In addition to S. soda, soda ash has also been produced from the ashes of S. kali (another saltwort plant), of glasswort plants, and of kelp, a type of seaweed. The sodium carbonate, which is water-soluble, is " lixiviated " from the ashes (extracted with water), and the resulting solution is boiled dry to obtain the finished soda ash product.
It can substitute for baking soda (sodium bicarbonate) for those with a low-sodium diet, [4] and it is an ingredient in low-sodium baking powders. [5] [6] As an inexpensive, nontoxic base, it is widely used in diverse application to regulate pH or as a reagent. Examples include as buffering agent in medications, an additive in winemaking.