Collection:
Reagents
584 products
Red Ponceau S
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€14,49
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Formula : C 22 H 12 N 4 Na 4 O 13 S 4 Molecular weight: 760.57 g/mol CAS Number : 6226-79-5 EC Number : 228-319-2
Specification : Appearance: red-brown powder Minimum purity: 75% Solubility in H...
Proline
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€11,66
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Formula : C5H9NO2
Molecular weight: 115.13 g/mol
CAS Number : 147-85-3
EC Number : 205-702-2
Specification :
Appearance: poudre cristalline blanche
Minimum purity: 99%
Melting point: 228°...
Technical Propanone
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€16,66
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€16,66
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Synonym: Acetone Formula : C3H6O Molecular weight: 58.08 g/mol CAS Number : 67-64-1 EC Number : 200-662-2
Specification : Appearance: colorless liquid Odor: characteristic, fruity Minimum purity...
Pyronine Y
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€36,85
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Synonym: Pyronine G; Pyronine J Formula : C17H19ClN2O Molecular weight: 302.80 g/mol CAS Number : 92-32-0 EC Number : 202-147-8
Specification : Appearance: green powder Smell: pleasant Melting p...
Magnesium ammonium reagent
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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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€8,66
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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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€46,72
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€46,72
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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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€15,25
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€15,25
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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
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€15,25
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€15,25
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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
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€19,48
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€19,48
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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
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€11,07
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€11,07
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Fehling's real analogue
Specification : Appearance: liquid blue Solubility in H2O: soluble
Schiff's reagent
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€41,13
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€41,13
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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
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€27,87
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€27,87
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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...
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
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€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
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€18,04
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€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.
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