Silver nitrate precipitation

The imidazole complex raras-[Ir(imid)2Cl4]- is stable for days in neutral aqueous solution, and for hours in the presence of added thiocyanate. Addition of silver nitrate precipitates the silver salt of the complex, with no indication of Ag+-catalyzed removal of coordinated chloride. Thus this iridium(III) complex is substitutionally much more inert than its much-studied (because (potentially) anti-tumor) ruthenium(III) analogue (96). 

In the silver nitrate precipitation process, iodide in the brine is precipitated as silver iodide. The iodide is treated with iron to yield ferrous iodide. Passing chlorine through the ferrous iodide solution liberates iodine. 

Dibromo-tetrammino-platinic Chloride, [Pt(NH3)4Br2]Cl2, is isomeric with dichloro-tetrammino-platinic bromide. It is formed by double decomposition between ammonium chloride and dibromo-tetrammino-platinic nitrate, when the salt separates as a yellow crystalline powder. Silver nitrate precipitates all the chloride and one atom of bromine in the molecule. 

The nitrate, [Pt(NH3)4Br2](N03)a, is produced by the action of bromine on tetrammino-platinous nitrate. It crystallises in flat yellow prisms which are soluble in water, and silver nitrate precipitates in boiling solution one atom of bromine, replacing it by a liydroxo-group. 

Silver Nitrate. Precipitates the highly sensitive explosive, silver acetylide, from silver nitrate solutions.5... 

The salt dissolves easily in wrarm water, yielding a reddish brown solution. On treatment with caustic soda, a violet solution of sodium osmate is obtained, whilst barium chloride and silver nitrate precipitate respectively a light brown barium salt and a yellowish brown silver salt. By treatment of osmium tetroxide in potassium hydroxide under similar conditions with sulphur dioxide the complex 7K20.40s03.10SO2 has been obtained both in the anhydrous condition and with 3 and T molecules of water respectively. 

Arsine 1 reacts with a concentrated solution of silver nitrate, precipitating yellow Ag3As,3AgN03, decomposed by water with liberation of metallic silver. With dilute silver nitrate the reaction occurs in two stages ... 

This reaction requires a sealed tube and a temperature of 380° C. Triethylchlorosilicane boils at 143° to 145° C, has density at 0° C. 0 9249, is only slowly decomposed by water, and with silver nitrate precipitates silver chloride. Tiiethyl silicol is formed by the action of ammonia, and triethyl silicon oxide is produced with water. 

Tables XX and XXI it is evident that the fractional precipitation of polyphosphates from a mixed solution with silver nitrate precipitates polyphosphates of shorter chain lengths in earlier stages, and those of longer chain lengths in later stages.

This product is formed when a ligroin solution of the foregoing chloro-phospliine is treated with dry chlorine. It is soluble in light petroleum and ether, but less soluble than the chlorobromide (see below), and is more slowly attacked by water. It melts at 115° C. Silver nitrate precipitates two-thirds of the chlorine from aqueous solution, the remainder being removed only by continued boiling the solution remaining contains phosphoric acid and mesityl oxide. 

Soluble in HgO, forming NgO. Silver nitrate precipitates yellow from aqueous solutions of the compoimd on acidification with acetic acid. Nitrite is also present in the final solution. 

The mass percentage of chloride ion in a 25.00-mL sample of seawater was determined by titrating the sample with silver nitrate, precipitating silver chloride. It took 42.58 mL of 0.2997 M silver nitrate solution to reach the equivalence point in the titration. What is the mass percentage of chloride ion in the seawater if its density is 1.025 g/mL ... 

Thirty minutes after intravenous administration of 5 jitCi of glycine, liver tissue was sampled. Adenine nucleotides extracted by acid were degraded to adenine and it was purified by silver nitrate precipitation and Dowex 50 column. The specific activity of adenine thus obtained served as the index of the rate of purine biosynthesis de novo. ... 

Silver acetylide-silver nitrate forms when acetylene is introduced into a neutral or slightly acidic aqueous solution of silver nitrate [5, 13, 31]. The concentration of silver nitrate solution must be lower than 10% wt. because in more concentrated solutions silver acetylide-hexanitrate forms [10, 27, 28]. Silver acetylide-silver nitrate precipitates from the solution in the form of a heavy white powder. Just as in the case of simple silver acetylide, use of unpurified acetylene results in a product with a grayish or brownish tinge [29]. 

The original AMEC method was to leach the sample before a selective volatilisation and capture of iodine in a separate solution. Following this was a silver nitrate precipitation to form a silver iodide solid which was then analysed by liquid scintillation counting. Although the selective volatilisation of iodine from chlorine separates the two elements, as Cl is not oxidised to CI2 in nitric acid (whereas I is oxidised to I2), some Cl... 

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