160 results

... arsenate is made of 1 part of the anhydrous salt to 99 parts of water, and the others of one per cent, arsenous anhydride. 737. Antimony (Sb; at. w. 120) is a heavy, bluish-white, crystalline solid of decidedly metallic lustre. Melts at 4250 ...

... Chloralformamidi-Chloral- formamide. <7. & JP. (Chloralamide.) Definition.-A crystalline solid [CC13.CH(OH)NH.COH] made by the direct union of formamide and anhydrous chloral. Description and Properties.-Chloralamide occurs as colorless, ...

... nor more than 58.65 per cent of anhydrous zinc sulphate, corresponding to not less than 99.5 per cent of the crystallized salt (ZnSCh+TIUO). Preserve it in well-closed containers. Properties : It is a granular, crystalline powder, odorless, and having an astringent and metallic ...

... the official alkaloid, but it is also known anhydrous, and in combination with either one or two molecules of water. The anhy- drous quinine is a resinous substance, whilst the crystallized quinine is a white, flaky, amorphous or crystalline powder, having a very bitter taste and an ...

... radicle are replaced by three eqs. of chlorine. Anhydrous chloral is an oily, pun- gent fluid, the vapor of which is very irritat- ing to the eyes. It combines with water to form a crystalline hydrate, which is very soluble in water. Dr. ...

... part of a molecule, and essential to a crystalline form, is called water of crystallization. Substances that do not contain it in such a state of combination are said to be anhydrous. Water of crystallization is usually easily driven out ...

... sometimes suddenly, separates as a heav}1, white, crystalline powder. The product is now collected and drained with the aid of the pump, washed once or twice with small quantities of anhydrous ether, and kept in a vacuum desiccator over ...

... part of a molecule, and essential to a crystalline form, is called water of crystallization. Substances that do not contain water of crystallization or which have been deprived of it, are said to be anhydrous. Water of crystallization is usually easily driven out ...

... 166. Name and discuss the different kinds of crystalline C. 167. Name kinds of amorphous C and tell where found. 168. Discuss properties and uses of C. 169. What are hydrocarbons? Name a few. Give their uses. 170. Describe Davy's safety lamp. Where and why is it used? 171. ...

... 3 —Pharm. Rdsch. Ph enolphthalein. This is a crystalline or amorphous ... 8 grains may be given with safety. It is of special in- terest at present ...