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  1. Calcium carbonate is the active ingredient in agricultural lime and is produced when calcium ions in hard water react with carbonate ions to form limescale. It has medical use as a calcium supplement or as an antacid, but excessive consumption can be hazardous and cause hypercalcemia and digestive issues. [8] Chemistry.

  2. 碳酸钙是一种 无机化合物,化学式为CaCO₃,是石灰石、大理石等的主要成分。 碳酸钙通常为白色晶体,无味,基本上不溶于水,易与酸反应放出二氧化碳 [1]。 它是地球上常见物质之一,存在于霰石、方解石、白垩、石灰岩、大理石、石灰华等岩石内,亦为某些动物骨骼或外壳的主要成分。 碳酸钙也是重要的建筑材料,工业上用途甚广 [2]。 中文名. 碳酸钙. 外文名. Calcium carbonate. 化学式. CaCO₃. 分子量. 100.09. CAS登录号. 471-34-1. EINECS登录号. 207-439-9. 熔 点. 1339 ℃. 水溶性. 不溶于水 [23] 密 度. 2.7 至 2.9 g/cm³. 外 观. 白色固体. 应 用.

  3. 26 Οκτ 2024 · calcium carbonate (CaCO 3), chemical compound consisting of one atom of calcium, one of carbon, and three of oxygen that is the major constituent of limestone, marble, chalk, eggshells, bivalve shells, and corals. Calcium carbonate is either a white powder or a colorless crystal.

  4. 碳酸钙(英文:Calcium carbonate),俗稱灰石、石灰石、石粉,是一種化合物,化學式為Ca CO 3 ,屬碳酸鹽類,呈鹼性,幾乎不溶於水(K sp = 4.8×10-9 ),可與酸反應。

  5. Calcium carbonate is a calcium salt with formula CCaO3. It has a role as an antacid, a food colouring, a food firming agent and a fertilizer. It is a calcium salt, a carbonate salt, a one- carbon compound and an inorganic calcium salt. ChEBI. Calcium carbonate is an inorganic salt used as an antacid.

  6. 17 Φεβ 2021 · 碳酸鈣 (Calcium carbonate)是當飲食中缺乏 鈣 時所使用的膳食補充品,其元素 鈣含量 為40%。 鈣是維持許多身體功能的必要元素,如 骨骼 的生長和修復、肌肉和神經的運作、凝血功能等,其在體內的濃度會隨著年齡而下降。 雖然人體所需的鈣大部分可從食物中獲得,但服用額外的鈣能幫助骨骼再生及 強化。 除了補鈣,碳酸鈣也可作為胃灼熱的解酸劑、舒緩胃酸消化不良等胃部不適的問題。 如何服用碳酸鈣? 請遵循醫師指示服用適當的劑量,並詳閱包裝或說明書。 直接口服,飯前或飯後皆可。 配水服用,約240毫升。 服用碳酸鈣前一小時內和兩小時後,請勿服用含鋁的解酸劑。 若有同時服用其他藥物,請於服藥前諮詢醫師或藥師,以得知安全同服的方法。 有任何疑問請諮詢專業醫師或藥師。 保存碳酸鈣的方法.

  7. 5 Αυγ 2023 · Calcium carbonate is an inorganic salt primarily used to manage and treat low calcium conditions, GERD, CKD, and other indicated conditions. Calcium carbonate is classified as a calcium supplement, antacid, and phosphate binder.

  8. calcium carbonate. noun [ U ] chemistry specialized uk / ˌkæl.si.əm ˈkɑː.b ə n.eɪt / us / ˌkæl.si.əm ˈkɑːr.b ə n.eɪt /. Add to word list. a common, white chemical compound found naturally as chalk, marble, and limestone, and in bones and shells, etc. 碳酸钙.

  9. 24 Ιουλ 2023 · With its low cost, low toxicity and mild basicity, calcium carbonate is of huge industrial importance. It can be ground up and used as fillers in plastics and paints, to increase the heat...

  10. Calcium carbonate particles have been used in the plastics industry for many years. The original purpose of adding ground calcium carbonate (GCC) particles as filler material for plastics was to reduce material costs.

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