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Colloidal Gold 20 nm

suspension

For further processing only.

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Order information
Colloidal Gold 20 nm material number and pack size:
Material Number Pack Size
05418291103 1 L, 5 L, 25 L
Will be supplied as "Colloidal Gold 20 nm". Unit of measure is "L".
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Overview
Colloidal Gold is well known as an established labeling tool for a broad range of blotting and diagnostic applications and for electron- /light microscopy.
The 20 nm Goldsol quality is red and spherical. The ready to use "gold suspension" is pH adjusted.
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Application
Use Colloidal Gold, 20 nm as conjugation partner for all kind of antibodies, proteins and macromolecules. It is recommended for low to medium sensitive assays.
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Specification
''Citrate Gold'' obtained from reduction of Tetrachloro-auric acid (HAuCl4) with citric acid.
Appearance: Clear, light red liquid
Particle size: 19-23 nm
Particle concentration (A520 unit): 0.85-1.00
λmax: 516.0-518.5 nm
Stability: At +2 to +8°C within specification range for 12 months.