Titanium
Titanium () is a chemical element with the symbol Ti and atomic number 22. It is a light, strong, lustrous, corrosion -resistant (including resistance to sea water and chlorine ) transition metal with a grayish color . Titanium can be alloy ed with other elements such as iron , alumin more
Elias Ashmole
, c. 1681, below.
Elias Ashmole (23 May 1617 – 18 May 1692 ), the celebrated English antiquary , was a politician , officer of arms , student of astrology and alchemy , and an early speculative Freemason . He supported the royalist side during the English Civil War , and at the more
Cochineal
Cochineal is the name of both crimson or carmine dye and the cochineal insect (Dactylopius coccus), a scale insect in the suborder Sternorrhyncha , from which the dye is derived. There are other species in the genus Dactylopius which can be used to produce cochineal extract, but t more
Hydrochloric acid
Hydrochloric acid is the aqueous solution of hydrogen chloride gas (H Cl ). It is a strong acid , the major component of gastric acid , and of wide industrial use. Hydrochloric acid must be handled with appropriate safety precautions because it is a highly-corrosive liquid . more
Acetic acid
Acetic acid, also known as ethanoic acid, is an organic chemical compound best recognized for giving vinegar its sour taste and pungent smell. Its structural formula is represented as CH3COOH. Pure, water -free acetic acid (glacial acetic acid) is a colourless liquid that attracts more