By adding the hydrochloric acid slowly in drops, first antimony sulphide, then arsenious sulphide are separated; after filtration, a solution is obtained from which snow-white germanium sulphide precipitates upon further, ample addition of hydrochloric acid.
Bergamot essential oil is a cold-pressed essential oil produced by cells inside the rind of a bergamot orange fruit. It is a common top note in perfumes. Bergamot essential oil is a major component of the original Eau de Cologne composed by Farina at the beginning of 18th-century Germany.The first record of bergamot oil as fragrance ingredient is 1714, to be found in the Farina Archive in Cologne.One hundred bergamot oranges will yield about three ounces (85 grams) of bergamot oil. The scent of bergamot essential oil is similar to a sweet light orange peel oil with a floral note. Earl Grey tea  is a type of black tea that contains bergamot essential oil as a flavouring.ne hundred bergamot oranges will yield about three ounces (85 grams) of bergamot oil. The scent of bergamot essential oil is similar to a sweet light orange peel oil with a floral note.  Earl Grey tea  is a type of black tea that contains bergamot essential oil as a flavouring.
Other Benefits: Bergamot essential oil is also a tonic, meaning that it tones up the respiratory, circulatory, digestive, excretory, and nervous system, as well as skin and muscles. It is also anticongestive and is used in vaporizers to relieve congestion and respiratory problems, particularly during coughs and colds.icatrisant: This property of bergamot oil is the reason behind its extensive use in cosmetics and skin care products such as beauty soaps, creams, and lotions. Cicatrisant means a property or an agent which helps scars and other marks on the skin to disappear.