Phosphoric acid. It is made of animal bones burnt flat, a steel dish and toasted until disintegrating into a white powder, którego głównym …
Tag Archives: acids
Necessary chemicals in the workshop
The chemical compounds listed below are the basic equipment of every chemical laboratory and should be treated as absolutely essential:
Concentrated inorganic acids
sulfuric, solny, nitric – po 1000 cm3
Organic acids
acetic …
Health and safety with solvents and acids
Work with organic solvents should be carried out in the open air or in a well-ventilated room, to avoid inhaling the vapors. Do not bend over the dishes. Benzene vapors are particularly harmful, trichlorethylene …
Sulfuric and hydrochloric acid
Sulfuric acid H2SO4
commercial product – concentrated k.s. – includes 96% H2SO4. Thick liquid, oily, heavy, colorless. Density -1,84 g/cm3. Diluted with water, it warms up very strongly (should be poured with a thin stream …
Acids
Acids
unions, which in aqueous solutions dissociate into hydrogen cations H + and anions of the acid residue. The aqueous solution is acidic, when the concentration of hydrogen ions is higher than the concentration of hydroxide ions OH-.…
Preparation of battery acid
Preparation of battery acid. A 2.5 beaker is essential…3 I, preferably high and small diameter and a float device for measuring the density of liquids, called a hydrometer, with a scale range from 1,20 …