Etching acid GOST 10484-78 Etching acid - the colorless liquid representing solution of gaseous hydrogen fluoride in water. Chemical formula: HF Etching acid - strong acid. Small impurity of etching acid strongly lowers water freezing point. Acid destroys glass, dissolves zinc and iron, very...
Group: Industrial hydrofluoric acid
Orthophosphoric acid Orthophosphoric acid- it is weak-yellow or yellow liquid, at the room temperature represents solid matter, in pure form at usual conditions represents colourless crystals of rhombic form with density of 1,87 g/cm2. Temperature of melting is +42,35 °C. At temperature above 213...
Group: Orthophosphoric acid
(borax) Borax - colourless crystal substance with density of 2,367 g/cm3, melts at 741 °C without decomposition. Thermally unstable sodium tetraborate becomes only at 1575 °C. The solubility coefficient (in on 100 g of water) is equal 2,5 (at 20 °C) and 24,3 (at 80 °C). Chemical formula:...
Group: Borax technical