. Hydroxylamine : its quantitative determination and some double salts . sphorus salt is obtained from phosphoric acid, and thesecond from disodium phosphite, Metavanadic acid VO3H yields three crystalline products—VQ3H(NH 3O)3, VO 3H(NH3O)2(NH3)2, VO3H(NH3O)2(NH3)2The first two separate out in lemon yellow crystals, the third can-not be obtained in the pure state. The neodymium compound NbOgHCNHsO)^ is a white powderslightly soluble in water and explodes with a yellow flame whenheated* Uhlenhuth prepared the following compounds--NiS0^.6NH20H, red, quadratic crystals which belong to the tricli
. Hydroxylamine : its quantitative determination and some double salts . sphorus salt is obtained from phosphoric acid, and thesecond from disodium phosphite, Metavanadic acid VO3H yields three crystalline products—VQ3H(NH 3O)3, VO 3H(NH3O)2(NH3)2, VO3H(NH3O)2(NH3)2The first two separate out in lemon yellow crystals, the third can-not be obtained in the pure state. The neodymium compound NbOgHCNHsO)^ is a white powderslightly soluble in water and explodes with a yellow flame whenheated* Uhlenhuth prepared the following compounds--NiS0^.6NH20H, red, quadratic crystals which belong to the triclinicsystem, the figures and measurements being given. Pt(NHgOH)^(0H)2, snow white crystals, insoluble in alcohol or etherbut readily soluble in mineral acids. Nitric acid decomposes thecrystals. Pt(NHgOH)4 SO^, large triclinic (NH20H)^Clg, flat (NH20H)2Cl, a yellow (NH20H)2Cl2, a blue salt. (NHgOH)gH2Pt(ON)^.2H20, soluble red crystals, stable at ordinarytemperatures. iAnnalen 307, 332-334+ Zeit. anorg. Chem. 16, 463-74 +Annalen Sll, 127-28. + Aiitonoff gives the oorapouncls of haloid salts of metals with hydroxylsamine as follows obtained from aqueous alcoholic solution. ^ 2CaCl25NHgO 4HgO CaClg 2NH3O SHgO OaClg SNHgO HgO Ca Clo 2NH^,0 4CaCl2NH30 20HgO 2 Sr Clg 5NH3O 2H2O 2Sr Clg 9NH3O 2HgO An aqueous solution saturated at 20° contains about onepercent CdClg 2NH2OH, ^^ of and about :^of + Maxwell Adams prepared the following salts— , large white crystals, which are very solube in water,2NHgOHHBr white plates, mercuric chloride combines with hydroxylamine hydrochloride to form Hg Clg. 2NH20H()g, Hg and 2HgClg [(NH^^O )gHCl| 5 The bromide Hg Br2 2NH3O {)g ^nd the bromide of cadmium Cd Brg 2NH3O and Cd F23NH3O are also formed. | Rosa found that hydroxyl ammonium sulphate melts at 163° with decomposition and
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