Cobalt potassium nitrate

In the complex [Co(NH3)6]Cl3, the cation is [Co(NH3)6]3+, and it is named first. The coordinated ammonia molecules are named as ammine, with the number of them being indicated by the prefix hexa. Therefore, the name for the compound is hexaamminecobalt(III) chloride. There are no spaces in the name of the cation. [Co(NH3)5C1]C12 has five NH3 molecules and one CN coordinated to Co3+. Following the rules just listed leads to the name pentaamminechlorocobalt(III) chloride. Potassium hexacyanoferrate(III) is K3[Fe(CN)6j. Reinecke s salt, NH4[Cr(NCS)4(NH3)2], would be named as ammonium diamminetetrathiocyanatochro mate (III). In Magnus s green salt, [Pt(NH3)4][PtCl4], both cation and anion are complexes. The name of the complex is tetraammineplatinum(II) tetrachloroplatinate(II). The compound [Co(en)3](N03)3 is named as tris(ethylenediamine)cobalt(III) nitrate. 

A similar complex 80 is also produced in a reaction of cobalt(ll) nitrate with potassium tricyanomethanide (Ktcm) and benzotriazole (BtH). According to the X-ray data for this complex, the CoN6 octahedron is only slightly distorted, having the N-Co-N angles in the range of 88.37-91.16°. The equatorial Co-N(tcm) distances (2.106 and 2.110 A) are... 

Modras (51) reported spot test reactions to differentiate hydralazine from closely related drugs. Reagents used were aqueous copper (I) chloride, aqueous ammonium molybdate, iodine in potassium iodide solution, aqueous cobalt (II) nitrate, alcoholic ninhydrin, and alcoholic bromophenol blue. The tests were performed on paper or on Silica Gel G. 

Many polarographic studies of the reduction of cobalt(II) to form an amalgam at a dropping mercury electrode have been reported, but most of the work has focused on systems involving complexes with ligands other than water [1, 2]. In one of the few investigations of the behavior of Co(H20)6 + (in aqueous 0.1 M potassium nitrate) [3], the following information was deduced ... 

A mixture of 0.05 mole of a cobalt salt (14.5g of the nitrate or 12g of the chloride—both 6-hydrate) and 21g of potassium thiocyanate are heated in 30ml of water until solution is complete. The dark blue liquid is cooled in ice until crystallization of potassium nitrate or chloride is complete and then suction-filtered. The residue is washed repeatedly with 10ml portions of ethyl acetate until it is... 

Nitrosylpentaamminecobalt(II) chloride, synthesis 49 cts-Bromoamminebis (ethylenediamine) cobal t (111) bromide, CIS- and trans-aquoamminebis(ethylenediamine)cobalt(IIl) bromide, and cis- and triphenylphosphine)rhodium and chloro-carbonylbis(triphenylarsine)rhodium, synthesis 56 Sodium hexachlororhodate(III) 2-hydrate and potassium hexachlororhodate(III) 1-hydrate, synthesis 57 Ammonium hexachloroiridate(IV), synthesis 58 Resolution of the tris(l,10-phenanthroline)nickel(II) ion, synthesis 59... 

Within the category of ionic crystals, there are two similar complex ions of cobalt (III) which have been extensively studied cobaltic trisethylenediamine nitrate (9 ) and potassium cobalticyanide (6S). Both these crystals show fairly low inherent retentions (approximately 5% and 19%, respectively) and both give evidence of fragments having... 

Derivation By adding potassium nitrate and acetic acid to a solution of a cobalt salt. 

Thirty-five grams (0.35 mole) of potassium hydrogen carbonate is suspended in 20 mL of water, and the slurry is kept in an ice-salt bath. Fifteen grams (0.05 mole) of cobalt(H) nitrate hexahydrate is dissolved in 10 mL of 30% hydrogen peroxide, and the solution is kept in an ice-salt bath. The solution is added dropwise to the ice-cold slurry with stirring. 

Dissolve a small quantity of oxide of cobalt and a little potassium nitrate in acetic add—develop with heat. The image or Nvriting disappears on cooling as before. 

NITROTO de PLOMA (Spanish) (10099-74-8) A strong oxidizer. Violent reaction with reducing agents, combustible materials, ammonium thiocyanate, cobaltic potassium nitrite (C.I. pigment yellow), cyclopentadienyl sodium, red hot carbon, lead(II) phosphinate, phosphorus, tin(II) chloride. Incompatible with aluminum, ammonia, citric acid, hydrozoic acid, metal phosphinates, methyl isocyanoacetate, sodium peroxyborate, potassium acetate, strong oxidizers, trinitrobenzoic acid, urea nitrate,... 

Twenty milliliters of a 10% aqueous solution of diethyl-enetriamine is slowly added to a solution made by dissolving 5 g. (0.017 mol) of cobalt(II) nitrate 6-hydrate and 5.5 g. (0.057 mol) of potassium thiocyanate in 50 ml. of w ater. The solution is brought to a pH in the range of 4 to 6. Aeration for one hour causes a dull red noncrystalline solid to separate. The precipitate is allowed to stand overnight, then is filtered, washed with water, and dried at 110°. The compound may be purified by dissolving 4 g. in 100 ml. of 2 M sodium hydroxide solution and then neutralizing the solution. A yield of 3.7 g. (60%) is obtained. Anal. Calcd. 

Antimony trioxide Barium carbonate Barium nitrate Bismuth oxide Cerium oxide Cobalt Copper nitrate (ic) Coumarone/indene resin Feldspar Lead oxide, yellow Molybdenum trioxide 2-Octanol Potassium carbonate Sulfur Zirconium silicate enamels, automotive Urea-formaldehyde resin enamels, baking Gilsonite... 

Give the chemical formula for each of the following ionic compounds (a) potassium dichromate (b) cobalt(II) nitrate (c) chromium(in) acetate (d) sodium hydride ... 

Colour reagent. Dissolve 30 g cobalt (II) nitrate, Co(N03)2.6H2O, 143 g ammonium chloride and 256 g potassium thiocyanate in water, dilute to 11 and mix. Alternatively dissolve 30 g cobalt (II) nitrate, 200 g potassium chloride and 200 g ammonium thiocyanate in water, dilute to 11 and mix. 

Fig. 24 Graphical representation of the E-P-S relation (Eq. 10) between the squares of the experimental detonation rates of explosive mixtures and the slopes, a-R" > of Kissingers relationship (Eq. 7)—taken from [153], Black points correspond to dynamites with a nitric ester content of over 30 wt %. Oxidizing systems of all of these explosives are based on ammonium nitrate (AN) and its mixtures with sodium nitrate (SN), potassium nitrate (PN), calcium nitrate (CN), aluminium nitrate (AlN), lithium nitrate (LiN), and sodium chloride-sodium nitrate (NaCl/SN), nickel(II) nitrate (NiN), copper(II) nitrate (CuN) and cobalt(II) nitrate (CoN)...

For a imh Koste colow dissolve a little oxide of cobalt ill acetic acid and a little potassium nitrate develop with heat. The image disappears on cooling. 

In connection with this subject of chameleon pictures, it may be useful to note (1) that a solution of sulphate of copper and chloride of ammonia (blue) turns green when heated. (2) Glide of cobalt dissolved in acetic acid and a little potassium nitrate added, under the action of heat, develops a pale rose. (3) The original colour of tourmeric paper is affected by ammonia and restored on the application of heat. 

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