Physical and chemical properties: it is an inorganic compound, chemical formula is NaHCO3, CAS number: 144-55-8, commonly known as baking soda, it is white fine crystal, its solubility in water is lower than that of sodium carbonate, and it is weakly alkaline. It can react with acid, alkali and salt.
In food processing, sodium bicarbonate is the most widely used loosening agent, used to produce biscuits, bread, etc., but sodium carbonate will remain after the action, too much use will cause the food to be too alkaline and cause the flavor to deteriorate. The color is yellowish brown. It is a generator of carbon dioxide in soda drinks; it can be compounded with alum to make alkaline fermentation powder, and can also be compounded with soda ash to make civil lime; it can also be used as a butter preservative. It can be used as a color-protecting agent for fruits and vegetables in vegetable processing. When washing fruits and vegetables, adding about 0.1%~0.2% sodium bicarbonate can stabilize the green color. When sodium bicarbonate is used as a fruit and vegetable treatment agent, the pH value of the fruit and vegetable can be increased by cooking and bleaching, the water holding capacity of protein can be improved, the softening of food tissue cells can be promoted, and the astringent components can be dissolved.
Other uses you should know about
Laboratory use: Sodium bicarbonate can be used as an analytical reagent and also used in inorganic synthesis. It can be used to prepare sodium carbonate-sodium bicarbonate buffer solution to keep the pH value of the system relatively stable.
Industrial use: Sodium bicarbonate can be used in the production of acid-base fire extinguishers and foam fire extinguishers. In the rubber industry, sodium bicarbonate can be used in the production of rubber and sponge.
Use in agriculture and animal husbandry: Sodium bicarbonate can be used for soaking seeds in agriculture, and can also make up for the lack of lysine content in feed.
Medical use: Sodium bicarbonate can be used as a pharmaceutical raw material to treat hyperacidity and metabolic acidosis, and to alkalize urine to prevent uric acid kidney stones.
Precautions in use
Environmental hazards:Sodium bicarbonate is generally not harmful to water. Do not discharge the material into the surrounding environment without government permission.
Storage and transportation attention：Sodium bicarbonate is not a dangerous product, but it should be protected from moisture. Store in a dry and ventilated warehouse. Do not store and transport with acids. When eating baking soda, you must pay special attention not to store and transport it with toxic substances to prevent pollution.
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