Calcium carbonate uses

Calcium Carbonate What is Calcium Carbonate? Calcium carbonate is an inorganic chemical compound with the chemical formula CaCO 3. Calcium carbonate is one of the most popular chemicals which is first encountered in school classrooms, where the use of chalk (a form of CaCO 3) is found. It is found in the earth’s crust. It is also found in many forms such as marble, limestone, etc. Although they are available in various forms they are chemically similar and only differ physically. They are also referred to as calcite. Table of Contents • • • • • • • • Calcium carbonate is a non-toxic and odourless compound commonly found as a white mineral which occurs naturally in chalks, limestones and marbles. Commercial Production of Calcium Carbonate Calcium carbonate is produced commercially in two different grades. Both grades compete industrially based primarily on particle size and the characteristics imparted to a product. • Ground Calcium Carbonate– Produced via extraction and processing of naturally occurring deposits. GCC crystal shape is irregularly rhombohedral and has a broader size distribution. • Precipitated Calcium Carbonate– Produced via chemical precipitation via a carbocation process or as a by-product of some bulk chemical processes. PCC crystal shape depends on the product and the particles are more uniform and regular with a narrow size distribution. PCC has smaller particles has a higher purity is less abrasive and tends to have higher brightness than GCC. Ca...

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This Calcium plays a very important role in the body. It is necessary for normal functioning of nerves, cells, muscle, and bone. If there is not enough calcium in the blood, then the body will take calcium from bones, thereby weakening bones. Having the right amount of calcium is important for building and keeping strong bones. Take this If you are using the chewable product, chew it well before swallowing. If you are using the effervescent tablet, allow the tablet to fully dissolve in a glass of water before drinking it. Do not chew or swallow the tablet whole. If you are using the liquid product or powder, measure the medication with a dose-measuring spoon or device to make sure you get the correct dose. Do not use a household spoon. If the liquid product is a suspension, shake the bottle well before each dose. Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day. If your doctor has recommended that you follow a special diet, it is very important to follow the diet to get the most benefit from this medication and to prevent serious side effects. Do not take other If you think you may have a serious medical problem, get medical help right away.

Calcium compounds are widely used. There are vast deposits of limestone (calcium carbonate) used directly as a building stone and indirectly for cement. When limestone is heated in kilns it gives off carbon dioxide gas leaving behind quicklime (calcium oxide). This reacts vigorously with water to give slaked lime (calcium hydroxide). Slaked lime is used to make cement, as a soil conditioner and in water treatment to reduce acidity, and in the chemicals industry. It is also used in steel making to remove impurities from the molten iron ore. When mixed with sand, slaked lime takes up carbon dioxide from the air and hardens as lime plaster. Lime (calcium oxide, CaO) was the useful material obtained by heating limestone and used for centuries to make plaster and mortar. Antoine Lavoisier classified it as an ‘earth’ because it seemed impossible to reduce it further, but he suspected it was the oxide of an unknown element. In 1808, Humphry Davy tried to reduce moist lime by electrolysis, just as he had done with sodium and potassium, but he was not successful. So he tried a mixture of lime and mercury oxide and while this produced an amalgam of calcium and mercury, it was not enough to confirm that he’d obtained a new element. (Jöns Jacob Berzelius had conducted a similar experiment and also obtained the amalgam.) Davy tried using more lime in the mixture and produced more of the amalgam from which he distilled off the mercury leaving just calcium. Common oxidation states 2 Isot...

Bones are always breaking down and rebuilding. Calcium is needed for this process, but the concentration of calcium in the body tends to decline with age. Taking extra calcium helps the bones rebuild and stay strong. The People commonly take calcium by In the US and Canada, foods that contain calcium and • • Overactive parathyroid (hyperparathyroidism). Taking calcium by mouth reduces parathyroid hormone levels in people with kidney failure and parathyroid hormone levels that are too high. • Weak and brittle bones (osteoporosis). Consuming adequate amounts of calcium, both from the diet and • Premenstrual syndrome (PMS). Consuming adequate amounts of calcium, both from the diet and supplements, seems to significantly reduce mood swings, bloating, Possibly Effective for • Colon cancer, rectal cancer. Taking calcium supplements by mouth or increasing intake from the diet seems to reduces the risk of colorectal cancer. But people with low levels of vitamin D don't seem to benefit from calcium supplements, nor do people who are overweight or obese. • Increasing bone strength in the unborn baby. Taking calcium supplements by mouth during pregnancy increases the bone mineral density of the baby when calcium intake from the diet is low. • High blood pressure. Taking calcium supplements by mouth seems to reduce blood pressure by a small amount in people with or without high blood pressure. • Softening of the bones (osteomalacia). Taking calcium by mouth seems to help reverse softe...

Calcium is important for bone health throughout your life. Although diet is the best way to get calcium, calcium supplements may be an option if your diet falls short. Before you consider calcium supplements, be sure you understand how much calcium you need, the pros and cons of calcium supplements, and which type of supplement to choose. Your body needs calcium to build and maintain strong bones. Your heart, muscles and nerves also need calcium to function properly. Some studies suggest that calcium, along with vitamin D, may have benefits beyond bone health: perhaps protecting against cancer, diabetes and high blood pressure. But evidence about such health benefits is not definitive. If you don't get enough calcium, you could face health problems related to weak bones: • Children may not reach their full potential adult height. • Adults may have low bone mass, which is a risk factor for osteoporosis. Many Americans don't get enough calcium in their diets. Children and adolescents are at risk, but so are adults age 50 and older. How much calcium you need depends on your age and sex. Calcium: Recommended daily amount Men 19-50 years 1,000 mg 51-70 years 1,000 mg 71 and older 1,200 mg Women 19-50 years 1,000 mg 51 and older 1,200 mg The recommended upper limit for calcium is 2,500 mg a day for adults 19 to 50. For those 51 and older, the limit is 2,000 mg a day. Your body doesn't produce calcium, so you must get it through other sources. Calcium can be found in a variety of...

Calcium carbonate Generic name: calcium carbonate [ KAL-see-um-KAR-boe-nate] Brand names: Nephro Calci, Dicarbosil, Equilet, Tums, Chooz, Tums E-X, Alkets, Titralac, Oyster Cal 500, Calcitab, Oyster Shell, Oyster Calcium, Super Calcium, Calcium Concentrate, Caltro, Oyster, Oyster Cal, Cal Oys, Alkums, Cal-Gest, Tums 500, Tums Ultra, Alka-Mints, Calcarb, Caltrate, Rolaids Sodium Free, Amilac, Calcium Oyster, Oyst Cal, Calcium Liquid Softgel, Mylanta Child, Maalox Quick Dissolve, Maalox Quick Dissolve Maximum Strength, Ultra Mylanta Calci Tabs, Extra Strength Mylanta Calci Tabs, Os-Cal, Surpass, Surpass Extra Strength, Icar Prenatal Chewable Calcium, Tums Extra Strength, Maalox Quick Dissolve Extra Strength, Calcium Oyster Shell, Maalox Antacid Barrier, Rolaids Soft Chew, Pepto Children's, Maalox Regular Strength, Maalox Children's, Tums Kids, Tums QuikPak, Calci-Mix, Alcalak, Oyster Shell Calcium, Tums Smoothies, Tums Chewy Bites, Tums Chewy Delights, Tums Sugar-Free, Tums Antacid Naturals, Alka-Seltzer Cool Action Heartburn Relief, Tums Chewy Bites Ultra Strength, Tums Smoothies Extra Strength Dosage forms: oral suspension (1250 mg/5 mL), oral tablet (1250 mg; 600 mg; 648 mg), oral tablet, chewable (1000 mg; 1177 mg; 400 mg; 420 mg; 500 mg; 550 mg; 600 mg; 750 mg; 850 mg; base 500 mg) Drug classes: • • • • • • What is calcium carbonate? Calcium is a mineral that is found naturally in foods. Calcium is necessary for many normal functions of the body, especially bone formati...

Calcium carbonate is an inorganic compound commonly known as limestone, stone powder, marble, etc. Its main ingredient is calcite. The chemical formula is CaCO3. According to different production methods, the calcium carbonate can be divided into heavy calcium carbonate and light calcium carbonate. Heavy calcium carbonate is ground from natural carbonate minerals, such as calcite, marble, limestone, etc., so it is also known as ground calcium carbonate, or GCC for short. It is a commonly used powdery inorganic filler. the calcium carbonate Light calcium carbonate is also known as precipitated calcium carbonate. Since the sedimentation volume of light calcium carbonate is larger than that of GCC, it is called light calcium carbonate. It is generally produced by chemical processing, usually requiring a kiln for calcination. As we all know, the calcium carbonate has high application value in papermaking, plastics, rubber, paint, pharmaceutical and other industries. Now I will describe the calcium carbonate uses in detail. Paper Calcium carbonate is mainly used as a filler for paper in papermaking. In order to ensure the strength and whiteness of the paper and at the same time reduce production costs, a large amount of calcium carbonate is added to the paper. The massive calcium carbonate uses in the paper industry is based on the international shift of the paper industry from acidic to alkaline or neutral papermaking processes. Calcium carbonate used as paper filler has sever...