无机盐
无机盐是指一类无机化合物的统称，是人类和动物合理营养所必需的重要营养素之一。它们在食物中大多以结合形式存在，在体液中则常解离为无机盐离子；少数如微量元素，则与蛋白质结合。
根据其在电场中带有的正、负电荷不同，无机盐可分为阳离子和阴离子两大类。其中，Na⁺、K⁺、Ca²⁺、Mg²⁺、Cl⁻、HCO₃⁻、HPO₄²⁻ 因含量较多，被归为主流无机盐；而 Fe²⁺、Fe³⁺、Cu⁺、Cu²⁺、Mn²⁺、Mn⁴⁺、Co²⁺、Cr³⁺、Cr⁶⁺、Cd²⁺、Zn²⁺ 以及 Br⁻ 和 I⁻ 只以微量存在于体内，被称为微量元素。
下级分类
| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| —— | Iron tris(phosphinate) | 7783-84-8 | FeO6P3 |
| —— | Pentadecafluorooctanoic acid, sodium salt | 335-95-5 | C8HF15NaO2+ |
| —— | ammonium iron(II) oxalate | 55488-87-4 | 2C2O4*Fe*2H4N |
| —— | Alzodef | 156-62-7 | CH2CaN2+2 |
| —— | Dipotassium phosphite | 13492-26-7 | K2O3P+ |
| —— | Zirconium hydride | 7704-99-6 | H4Zr |
| —— | Magnesium sulfate-anhydrous | 7487-88-9 | H2MgO4S+2 |
| —— | Lithium aluminium hydride | 16853-85-3 | AlH4.Li |
| —— | Thorium oxide | 37300-04-2 | O2Th |
| —— | Lanthanum Carbonate | 587-26-8 | C3La2O9 |
| —— | Ytterbium hydride (YbH3) | 32997-62-9 | H3Yb |
| —— | Indium(3+) tetrafluoroborate(1-) | 27765-48-6 | B3F12In |
| —— | Ditungsten zirconium octaoxide | 16853-74-0 | O5WZr-6 |
| —— | Iron(III) sulfate hydrate | 15244-10-7 | Fe2H2O13S3 |
| —— | Gadolinium hydride (GdH3) | 13572-97-9 | GdH3 |
| —— | Copper sulfide (CuS2) | 12054-07-8 | CuS |
| —— | lanthanum perchlorate | 14017-46-0 | Cl3LaO12 |
| —— | Scandium nitrate | 13465-60-6 | N3O9Sc |
| —— | Terbium hydride | 13598-54-4 | H3Tb |
| —— | Nitric acid, cerium(4+) salt (4:1) | 13093-17-9 | CeN4O12 |
| —— | Einecs 235-782-4 | 13981-95-8 | H5Ta |
| —— | Neodymium hydride (NdH3) | 13864-04-5 | H3Nd |
| —— | Nickel sulfide (Ni7S6) | 12137-08-5 | NiS |
| —— | Holmium hydride | 13598-41-9 | H3Ho |
| —— | Dilithium manganese trioxide | 12163-00-7 | Li2MnO2 |
| —— | Dimagnesium;niobium(5+);oxygen(2-) | 12163-26-7 | Mg2Nb2O7 |
| —— | Cobalt(II) phosphide | 12134-02-0 | Co3P2 |
| —— | Ytterbium sulfide (Yb2S3) | 12039-20-2 | Yb2S3 |
| —— | Copper hexafluorosilicate | 12062-24-7 | CuF6Si |
| —— | Magnesium diiodate | 7790-32-1 | I2MgO6 |
| —— | Titanium sesquisulfate | 10343-61-0 | O12S3Ti2 |
| —— | Gallium sulfide (GaS) | 12024-10-1 | Ga2S3 |
| —— | Vanadium pentafluoride | 7783-72-4 | F5V-5 |
| —— | Aluminum selenide | 1302-82-5 | Al2Se3 |
| —— | Vanadium sulfide | 11130-24-8 | S5V2-10 |
| —— | Lithium arsenic(+5) cation hexafluoride | 29935-35-1 | AsF6Li |
| —— | Iridium(3+) chloride--ammonia--hydrogen chloride (1/3/3/3) | 15752-05-3 | Cl6H12IrN3 |
| —— | Lithium titanium oxide (Li2TiO3) | 12031-82-2 | Li2O3Ti |
| —— | Disodium disulphate | 13870-29-6 | Na2O8S2-2 |
| —— | Butanedioic acid monoammonium salt | 15574-09-1 | C4H12N2O4 |
| —— | Aluminum sulfide (Al2S3) | 1302-81-4 | Al2S3 |
| —— | Iron triperchlorate | 13537-24-1 | Fe(ClO4)3 |
| —— | Gadolinium trinitrate | 10168-81-7 | Gd(NO3)3 |
| —— | Phosphoric acid, titanium(4+) salt (4:3) | 15578-51-5 | O16P4Ti3 |
| —— | Sodium percarbonate | 15630-89-4 | 2Na2CO3.3H2O2 |
| —— | Silver phosphate | 21517-67-9 | Ag3PO4 |
| —— | Chromium sulfide (Cr2S3) | 12018-22-3 | Cr2S3 |
| —— | Phosphonic acid, monopotassium salt | 13977-65-6 | H3KO3P+ |
| —— | Cerium(IV) sulfate | 13590-82-4 | Ce(SO4)2 |
| —— | Holmium oxide | 12055-62-8 | Ho2O3 |
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