Réactif pour la mise en evidence des aldéhydes (coloration rose or violette)
Formula: (C 20 H 19 N 3 ·HCl) (SO 2 )
Specification : Appearance: colorless liquid Odor: nauseating Solubility in H...
React for the determination of the iode index
Synonym: Iode monochlorure in solution in the acetic acid seal Wijs
Formula : ICl
Molecular weight: 162.36 g/mol
CAS Number : 7790-99-0
Specifi...
Container for insect observation Insect observation container with protective closure. With this container you can observe living creatures. With a ventilated design and a quick-closing lid, you c...
Iron powder in a plastic box
Very fine iron powder in a transparent plastic box. Allows observation of magnetic forces when a magnetized element is placed nearby.
Ideal for experimenting and s...
Crystalline Lattice - Sodium Chloride (NaCl)
Sodium chloride (NaCl) model kit, consisting of bonds and 27 atoms needed to make a crystal lattice model of sodium chloride.
Includes
(54) C...
Crystalline lattice - Copper
Covers for compact large-scale demonstration models. The spheres are 50mm in diameter and made of solid plastic, making them a very durable tool for classroom demon...
Crystalline lattice - Diamond
Diamond in molecular model. Composed of 39 black atoms and 60 medium connectors. This kit consists of the materials needed to make the diamond crystal lattice model.
Crystal lattice - Iron
Compact large scale demonstration model iron. The spheres are 50mm in diameter and made from solid plastic, making them a very durable tool for classroom demonstration.
Crystalline lattice - Ice
Water (formula: H 2 O) is a chemical substance whose molecules are formed by two hydrogen atoms and one oxygen atom.
It is the most abundant molecule on the Earth's ...
Crystalline lattice - Graphite
Graphite has a flat layered structure. In each layer, the carbon atoms are arranged in a honeycomb structure with separation. The stratification contributes to it...
Crystalline Lattice - Zinc Sulfide (ZnS)
Zinc sulfide is a chemical compound with the chemical formula ZnS.
This set consists of 99 atoms. Ideal for exploring and better understanding how thi...
Crystal lattice - Zinc
Zinc is a chemical element, an atom, essential to life.
This model is compact and on a large demonstration scale so that it is easier to understand the characteristics ...
With ceramic fiber center, asbestos-free. To heat substances with Bunssen burners. Distributes temperature evenly. Avoid breakage and direct contact with flame.
