Réactif pour la mise en evident des ions nitrites (coloration rose). Mélanger à volume égal le réactif A et le réactif B avant de l'utiliser.
Specification :
Appearance: colorless liquid
Smel...
Réactif pour la mise en evident des ions nitrites (coloration rose). Mélanger à volume égal le réactif A et le réactif B avant de l'utiliser.
Specification :
Appearance: grey liquid
Smell: sp...
Réactif pour la mise en évidence de l'ammoniaque et des sels d'ammonium (coloration jaune).
Formula: K 2 [HgI 4 ]
Specification : Appearance: liquid yellow Density: 1.272 g/cm3 at 20°C Solubil...
Synonym: Acide calcone carboxylique; ACC Formula : C 21 H 14 N 2 O 7 S Molecular weight: 438.41 g/mol CAS Number : 3737-95-9 EC Number : 223-117-0
Specification : Appearance: powder violet fondé...
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...
Soft and pleasant to the touch cushion in the shape of a candy with manipulative applications for children who are curious about the world.
Cords, buttons, Velcro, buckles, snaps are elements th...
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...
Colored recipients in primary, secondary and achromatic nuclei.
Let students store crayons and keep the space clean.
The material belongs to metal frames for learning to write.
ATTENTION! Th...
The Reco-reco is a percussion musical instrument that allows you to reproduce rhythmic patterns by moving the drumstick along its undulations.
This essential toy instrument in the process of mus...
Foam Playground for Babies
Foam playground for babies, made up of several different elements that create a fun obstacle course. The size of the elements is adapted to the needs of the little one...
