Zincon sodium salt ≥75% (dye content), Sigma-Aldrich®
Leverandør: SIGMA ALDRICH MICROSCOPY
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Warning
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M-Clarity™ quality level = MQ100
201332-1G
201332-5G
201332-1GEA
655
NOK
201332-1G
201332-5G
Zincon sodium salt ≥75% (dye content), Sigma-Aldrich®
Zincon sodium salt
Zincon sodium salt has been used to locate zinc in plant tissues by light microscopy.
Zincon is a formazan dye, that serves as a metal indicator and is applicable in chelometric titration. It is used in spectrometric analysis. The metal-zincon complex formed shows a prominent absorption band in the visible region. Zincon is also used in solid support electrophoresis for staining zinc proteins.
Formel:
C₂₀H₁₅N₄NaO₆S Smeltepunkt: 250 °C Lagringstemperatur: Romtemperatur |
MDL nummer:
MFCD00064385 CAS-nummer: 62625-22-3 |
Spesifikasjon Testresultater
Appearance (colour) | Maroon to violet to purple |
Appearance (form) | Powder |
Thin layer chromatogr. | Corresponds to standard |
Solubility (colour) | Brown to very dark brown and red to very dark red and red-brown and very dark red-brown |
Solubility (turbidity) | Opaque |
Solubility (method) | 1 mg/ml, 0.1N sodium hydroxide |
Carbon content | 39.0 - 68.8% |
Nitrogen content | 9.1 - 15.2% |
Infrared spectrum | Conforms to structure |
Wavelength (1) (UV) | 489 - 495 nm |
Molar absorbancy index (1) | ≥10000 |
Solvent (UV) | Methanol |
Icp analysis | Confirms sodium and sulfur components |
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