Gram's iodine solution per microscopia, Sigma-Aldrich®
Fornitore: SIGMA-ALDRICH MICROSCOPY
Synonyms:
Lugol's iodine, Iodine and potassium iodide, Potassium triiodide
M-Clarity™ quality level = MQ100
Gram’s iodine solution is used as a mordant in the Gram staining process. It is added after the primary staining step with crystal violet; the resultant crystal violet - Iodine complex imparts purple color to the cells.
Iodine(I) interacts with Crystal Violet(CV) to form large CV-I complexes within the cytoplasm and outer layers of the cell.
Syn: Potassium Triiodide
Formula:
I₃K Peso molecolare: 419,812 g/mol Densità: 1,005 g/ml (20 °C) Temperatura di stoccaggio: Room Temperature |
MDL Number:
MFCD00134128 CAS Number: 12298-68-9 |
Risultati del test di specificazione
Appearance (colour) | Brown to very dark brown |
Appearance (form) | Liquid |
Density D20/4 | 1.003 - 1.007 |
Refractive index N20/D | 1.334 - 1.336 |
Expiration date period 24 months |
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