Sodium antimonide arsenide

No, the editor didn t know what this name meant either.) It means salts of the triva-lent anions of Group V, restricted in [1] to arsenides, antimonides and bismuthides and prepared by reaction of sodium pnictides with anhydrous halides of transition and lanthanide metals. This violently exothermic reaction may initiate as low as 25°C. Avoidance of hydrated halides is cautioned since these are likely to react uncontrollably on mixing. Another paper includes a similar reaction of phosphides, initiated by grinding [2], Nitrides are reported made from the thermally initiated reaction of sodium azide with metal halides, a very large sealed ampoule is counselled to contain the nitrogen [3],... 

One method for the synthesis of cyclic silicon-phosphorus compounds is the reaction of alkaliphosphides with dichlorosilanes [1]. Using sodium/potassium phosphide, -arsenide, -antimonide and -bismutide Na3E/K3E (E = P, As, Sb and Bi) [2] with various di-, tri-, and tetrachloroorganosilanes, cages of the following types (Fig 1.) have been synthesized so far. 

Uranous Antimonide, UgSb4, is not obtained by the ordinary methods used for the arsenide (see p. 332). By fusing a mixture of sodium uranous chloride, antimony, and aluminium Colani obtained a silvery white mass practically free from aluminium. The product resembled the phosphide and arsenide in properties, and produced vivid sparks when projected into the Bunsen flame. 

A neutralization of impurities is probably what takes place when brass and red brass are treated with sodium. The cleanser is usually introduced as a zinc-sodium master alloy. Zinc dissolves not more than 2.8% sodium at 557° C. and this alloy, when solid, is constituted of zinc-sodium compound in a zinc matrix. An action of sodium on sulfides, antimonides, and arsenides, even if these impurities were tied up with zinc, could be expected in these copper alloys. Sodium has been suggested as a desulfurizer for cast iron and shooting it into the metal bath has been proposed. In another proposition the sodium is weighed down with lead within an iron shell with a perforated bottom, which is lowered into the fused cast iron. Evidently sodium-lead alloy would perform as well. 

---