Collection:
Laboratory and Reagents
792 products
Magnesium ammonium reagent
Regular price
€13,60
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€13,60
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Réactif pour la mise en evidence des ions phosphates (précipité blanc).
Formula: MgCl 2 MgCl 2 .6H 2 O (hexahydrate)
Specification : Appearance: colorless liquid Solubility in H2O: soluble
Biuret reagent
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€16,02
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€16,02
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Réactif pour la mise en evident des proteins (coloration pourpre).
Specification :
Appearance: liquid blue
Density: 1.059 g/cm3 at 20°C
Solubility in H2O: soluble
Folin-Ciocalteu reagent
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€89,87
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€89,87
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React to the dosage of phénols
Specification :
Appearance: liquid yellow
Odor: acrid
Density: 1.220 g/cm3 at 25°C
Solubility in H2O: soluble
Griess-Ilosvay reagent A
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€29,16
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€29,16
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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...
Griess-Ilosvay B reagent
Regular price
€29,16
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€29,16
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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...
Kovacs reagent
Regular price
€30,93
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€30,93
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Intense Reactor
Specification :
Appearance: liquid yellow
Odor: characteristic
Flash point: 36°C cf
Density: 0.920 g/cm3 at 25°C
Solubility in H2O: soluble
Nessler's reagent
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€27,29
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€27,29
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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...
Patton and Reeder reagent
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€33,42
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€33,42
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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...
Sandell's reagent
Regular price
€16,02
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€16,02
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Fehling's real analogue
Specification : Appearance: liquid blue Solubility in H2O: soluble
Schiff's reagent
Regular price
€41,33
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€41,33
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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...
Wijs reagent
Regular price
€28,83
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€28,83
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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...
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Eyewash station refill
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€33,31
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€33,31
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NACL Eye Wash Bottle
Ophthalmic solution refill for eye wash.
500ml
Wire mesh
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from €1,64
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from €1,64
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With ceramic fiber center, asbestos-free. To heat substances with Bunssen burners. Distributes temperature evenly. Avoid breakage and direct contact with flame.
Diffraction grating with 1000 lines/mm
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€24,60
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€24,60
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Optical grids inserted into 50 x 50 mm slide frames.
Grids of 140, 300, 530, 600 and 1000 lines/mm ideal for education.
Diffraction grating with 140 lines/mm
Regular price
€14,35
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€14,35
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Optical grids inserted into 50 x 50 mm slide frames.
Grids of 140, 300, 530, 600 and 1000 lines/mm ideal for education.
Diffraction grating with 300 lines/mm
Regular price
€18,04
Sale price
€18,04
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Optical grids inserted into 50 x 50 mm slide frames.
Grids of 140, 300, 530, 600 and 1000 lines/mm ideal for education.
Refratómetros Digitais
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from €340,71
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from €340,71
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Linear rheostat 10 Ohms
Regular price
from €174,39
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from €174,39
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O reóstato linear é um dispositivo resistivo utilizado para controlar o fluxo de corrente elétrica em circuitos. Este tipo de reóstato possui uma configuração linear, o que significa que a resistên...
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