Stabilization:
Stabilisé avec polyvinylpyrrolidone (PVP)
M-Clarity™ (Niveau de qualité) = MQ300
1.00567.2500EA
144
EUR
InStock
1.00567.2500
1.00567.0000
1.00567.1000
Lugol en solution stabilisé pour la coloration de Gram, Sigma-Aldrich®
Lugol en solution
Lugol’s solution stabilized with PVP is used in bacteriology, for example, for the staining of Gram bacteria
It contains a complex of Iodine-Polyvinylpyrrolidon (PVP) and no free iodine, which stabilizes the solution and reduces the evaporation of iodine. During Gram-staining, the iodine from the Lugol’s solution and crystal violet form a stable complex that will not be released by decolorisation. Thus, Gram-positive bacteria will appear dark blue when analyzed microscopically, wheras Gram-negative bacteria can be counterstained e.g. orange with safranin. The Lugol’s solution is registered and quality controlled as IVD / CE product and can be used in diagnostics. 1 L of the Lugol's solution stabilized with PVP is capable of staining up to 500 slides.