A flask made for low-pressure distillation (vacuum distillation).
Consists of a round-bottomed flask with a long neck, with two glass tubes on one side and an outlet end on the top.
A vial with ruthenium, first synthesized by Karl Claus in 1844. This metal was discovered in platinum sediments of industrial production.
Its pure form is crisp, so it's mostly used in alloy with platinum and iridium for viscose and glass fiber production. Ruthenium and platinum alloys are also used for measurement equipment, and ruthenium salt is used in medicine.
A lab for studies of solid compounds, invented by F. Flavitsky in 1901 and patented in many countries.
The portable device contains thirty six inorganic salts and helps determine the presence of thirteen cations and nineteen anions with very little matter used.
A valuable contribution made by the scientist's widow N. Butlerova in 1890. The library was valued at around 3,000 rubles at that time, the lab as a whole – at 12,900 rubles (altogether well over 20 million rubles in 2016 prices). The library consists of 364 names in 644 bindings.
One of the most recognizable and iconic attributes of chemical science, retorts are used for distillation and different types of reactions with heating. This particular one was used by Karl Claus in his search for ruthenium.
It was first synthesized at Kazan University in 1914 by Alexander Arbuzov and his assistants. They used local raw materials for this work.
Production was then arranged at Krestovnikov Brothers' factories – a soap plant and a candle plant. The drug was then sold in special cases the design of which was also made by Arbuzov.
Chemical scales are used for precision measurements in chemistry and physics. Their tolerance is 0.1 mg.
