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A Comprehensive Treatise on Inorganic and Theoretical Chemistry

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41O INORGANIC AND THEORETICAL, CHEMISTRY<br />

phine, LI*t{(CHa)gS}a(N08)8] ; J. Potren, C. W. Blomstr<strong>and</strong>, <strong>and</strong> H. L<strong>on</strong>dahl, platinous transdinitratobisethylsulphine,<br />

|Pt((C8H6)2S}8(N08)a], <strong>and</strong> platinous eis-dinitratobisethylsulphlne ;<br />

H. L<strong>on</strong>dahl, platinous nltratotrisethylsulphlnenitrate, [Pt((C8H8)8S}8(N08)]N08 ; C. Rndelius,<br />

platinoustrans-dlnltratopropylsulphine, |Pt((C3H7)8S}8(NOs)8], <strong>and</strong> platinous cls-dinltratopropylsulphine<br />

; with normal, <strong>and</strong> iso-propyl ; <strong>and</strong> platinous trans-hydroxynitratopropylsulphine,<br />

I Pt{(CaH7)2S}t(OH)(N03)J. K. A. Jensen studied the dipole moments of these salts.<br />

M. Weibull, <strong>and</strong> H. L<strong>on</strong>dahl, platinous trans-dinitratobutylsulphine, rPt{(C4H8)8S}8(N08)a],<br />

<strong>and</strong> platinous cis-dinitratobutylsulphine, with normal <strong>and</strong> iso-butyl.; N. S. Kumakoff, platinous<br />

quaterthiocarbamld<strong>on</strong>itrate, | Pt{CS(MU8)8}41(N08)a ; J. Petren, platinous dinitratobisethylselenine,<br />

|Pt{(C2H8)aSo}s(N08)8l, platinous dinitratopyridineethylselenine, [Pt(C6H6N)-<br />

((CaH6)2Se}(Kro3)aJ, <strong>and</strong> platinousdinitratoethylsulphinethylsolenine,[Pt{(CaH:6)aS>{(CaH6)aSe}-<br />

(NOa)8J; <strong>and</strong> M. L.<strong>on</strong>dah.1, platinous hydroxynltratobisbenzylsulphlne, [Pt{(CeH6CH8),S}8(OH)-<br />

(NO3)I, <strong>and</strong> platinous dlnitratoethylenedisulphine, [Pt((C2H4)aS8}(N08)8] ; <strong>and</strong> L. Ramberg,<br />

platinous nitratoetbylthloglycocolatoammine, [Pt(NH3)(C08.CH8.S.C8HB)(N03)].<br />

JC. A. Jensen studied trans- platinous dinitratoblstrlethylphosphine, f Pt{(C2H6)3P}a(NOs)8].<br />

P. Sohutzenberger <strong>and</strong> C. F<strong>on</strong>taine described platinous dinitratoethylphosphite,<br />

I Pt(P(OC2He)8)(NOa)8], platinous hydroxynltratosilverphosphite, [Pt(P(OAg)3)(NO8)(OP(OH)-<br />

(OAg))], associated with [Pt(P(OAg)3)Cl(OP(OH)(OAg))] ; <strong>and</strong> platinous dinitratoethylphosphite,<br />

LPt(P(OCaH6)3}(N03)a]2 ; R. Bunsen, platinous dinitratoxycacodyl, [Pt(As2(CHg)4O)-<br />

N03)2] ; <strong>and</strong> L. A. TschugaefE <strong>and</strong> co-workers ; platinous dihydrazinoetoethylcarbylamin<strong>on</strong>itrate,<br />

[(C2H6.NC)4Pt(NaH8)2Pt(CaH6.NC)4](N03)a.2H20.<br />

J. Petren described platinous chlor<strong>on</strong>itratobisethylselenine, [Pt{(C2H5)2Se}2-<br />

Cl(NO3)] ; platinous chlor<strong>on</strong>itratoethylsulphinethylselenine, [Pt{(C2H5)2S}-<br />

{(C2H5)2Se}Cl(N03)] ; JL. Ramberg, platinous nitratoethylthiolaeetatodiammine,<br />

Pt(NHa)2(NO3)(CO2.OH2.8.C2H5); platinous nitratoethylthiolacetatom<strong>on</strong>ammine,<br />

Pt(NII3)(NO3)(CO2-CH2-S-C2H5) ; sodium dinitratobisethylthiolacetatoplatinite,<br />

Pt(NOg)2(CO2Na.CH2.S.CoH5)o; <strong>and</strong> platinous trans-diiutratobisethylthiolacetatodiammine,<br />

Pt(NH3)2(N03)2(C62.CH2.S.C2H5)2.H20 ; <strong>and</strong> P. Schiitzenberger <strong>and</strong><br />

C F<strong>on</strong>taine, platinous chlor<strong>on</strong>itratoethylphosphate, [Pt(PO(OC2Hg)3)Cl(NO3)J2.<br />

E. Prost obtained a basic salt platinosic oxynitrate, 3PtO2.Pt(N03)2.5H2O, by<br />

evaporating a soln. of hydrated platinic oxide in c<strong>on</strong>e, nitric acid. The red mass is<br />

insoluble in water. P. T. Cleve's products may be platinosic compounds : platinosic<br />

dihydroxyhexammino-vu-diamid<strong>on</strong>itrate, [(OH)(NH3)3Pt(NH2)2Pt(NH3)3(OH)]-<br />

(N03)4.2H2O obtained by the acti<strong>on</strong> of silver nitrate <strong>on</strong> a boiling soln. of \I(NH3)3-<br />

Pt(NH2)2Pt)NH3)3I](N03)4 ; or by crystallizati<strong>on</strong> from [(N03)(NH3)3Pt(NH2)2-<br />

Pt(NH3J3(NO3) 1(NOg)4.4H2O. The white, crystalline dihydrate becomes anhydrous<br />

at 100° ; <strong>and</strong> it det<strong>on</strong>ates like gunpowder if heated to a higher temp. It is<br />

sparingly soluble in cold water but soluble in hot water. Hydrochloric acid c<strong>on</strong>verts<br />

it into the dihydroxychloride ; <strong>and</strong> sulphuric acid, into the dihydroxysulphate,<br />

potassium iodide <strong>and</strong> bromide, <strong>and</strong> amm<strong>on</strong>ium oxalate give precipitates. If the<br />

salt be boiled with nitric acid, there is formed platinosic nitratohexamminO-/xdiamid<strong>on</strong>itrate,<br />

[(N03)(NH3)3Pt(NH2)2Pt(NH3)3(N03)](N03)4.4H20. Water reproduces<br />

the original salt. The tetrahydrate becomes anhydrous at 100°. Bromine<br />

c<strong>on</strong>verts it into platinosic dibromohexammino-;Li-djamid<strong>on</strong>itrate, [Br(NH3)3-<br />

Pt(NH2)2Pt(NH3)3Br](N03)4.2H20 ; <strong>and</strong> with iodine, platinosic diiodohexammino-<br />

^-diamid<strong>on</strong>itrate, [ I(NH3)3Pt(NH2)2Pt(NH3)3IJ(N03)4.3(or 4)H20. The pale orange<br />

crystals become anhydrous at 100°, <strong>and</strong> det<strong>on</strong>ate at a higher temp. If the dibromsalt<br />

is treated with an excess of amm<strong>on</strong>ia, there is formed platinosic dibromohexammino-/x-diimid<strong>on</strong>itrate,<br />

[Br(NH3)3Pt(NH)2Pt(NH3)3BrJ(N03)4; <strong>and</strong> if<br />

a boiling soln. of platinic diiodotetrammin<strong>on</strong>itrate be treated with an excess<br />

of amm<strong>on</strong>ia, platinosic diiodohexajnmino-/z-diimid<strong>on</strong>itrate, [I(NH3)3Pt(NH)2-<br />

Pt(NH3)3Il(N03)4, is formed.<br />

J. J. Berzelius obtained a soln. of platinic nitrate, Pt(NOa)4, by dissolving<br />

hydrated platinic oxide in nitric acid ; by decomposing a soln. of platinic sulphate<br />

with an eq. quantity of barium nitrate <strong>and</strong> filtering ; <strong>and</strong> by adding potassium<br />

nitrate to a soln. of platinic chloride as l<strong>on</strong>g as potassium chloroplatinate is deposited<br />

—there is some doubt about the third process. When the dark brown liquid is<br />

evaporated, it forms a liquid of the c<strong>on</strong>sistency of h<strong>on</strong>ey, <strong>and</strong> it is partially soluble<br />

in water leaving as a residue a basic nitrate. L. Wohler electrolyzed a nitric acid

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