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Cobalt(II) sulfate heptahydrate. Cobalt(II) sulfate is any of the inorganic compounds with the formula CoSO 4 (H 2 O) x. Usually cobalt sulfate refers to the hexa- or heptahydrates CoSO 4. 6H 2 O or CoSO 4. 7H 2 O, respectively. [1] The heptahydrate is a red solid that is soluble in water and methanol. Since cobalt(II) has an odd number of ...
"NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response" is a standard maintained by the U.S.-based National Fire Protection Association. First "tentatively adopted as a guide" in 1960, [ 1 ] and revised several times since then, it defines the " Safety Square " or " Fire Diamond " which is used to ...
Four dihalides of cobalt(II) are known ... yielding a solution of copper sulfate. Cobalt can also be leached from the slag of copper ... NFPA 704 (fire diamond) 2. 0. 0
Cobalt(III) oxide is the inorganic compound with the formula of Co 2 O 3. Although only two oxides of cobalt are well characterized, CoO and Co 3 O 4, [4] procedures claiming to give Co 2 O 3 have been described. Thus treatment of Co(II) salts such as cobalt(II) sulfate with an aqueous solution of sodium hypochlorite (also known as bleach ...
Cobalt can easily react with nitric acid to form cobalt(II) nitrate Co(NO 3) 2. Cobalt(II) nitrate exists in the anhydrous form and the hydrate form, of which the hexahydrate is the most common. Cobalt nitrate hexahydrate (Co(NO 3) 2 ·6H 2 O) is a red deliquescence crystal that is easily soluble in water, [12] and its molecule contains cobalt ...
Cobalt nitrate is the inorganic compound with the formula Co(NO 3) 2. xH 2 O. It is cobalt (II)'s salt . The most common form is the hexahydrate Co(NO 3 ) 2 ·6H 2 O, which is a red-brown deliquescent salt that is soluble in water and other polar solvents.
The shade has a fascinating history and symbolism. Here's why royals around the world love to wear cobalt blue.
The salt is prepared with a two-step process starting with oxidizing a solution of cobalt chloride and ammonia. [1] [2] 2 CoCl 2 ·6H 2 O + 10 NH 3 + 2 HCl + H 2 O 2 → 2 [Co(NH 3) 5 (OH 2)]Cl 3 + 12 H 2 O. This intermediate is then heated to induce coordination of one of the outer sphere chloride ligands: [Co(NH 3) 5 (OH 2)]Cl 3 → [Co(NH 3 ...