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Chromium etchant
Description
High purity ceric ammonium nitrate system for precise, clean etching of chromium and chromium oxide films
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Specifications
Specifications
| Color | Orange |
| Chemical Name or Material | Chromium etchant |
| Density | 1.16 g/cm3 at 20°C |
| Quantity | 1 gal. |
| Odor | Acrid |
| Vapor Pressure | 17mm Hg at 20°C |
| Form | Liquid |
| MDL Number | MFCD07370678 |
Frequently Asked Questions (FAQs)
Undercutting of Chromium etchant can be reduced by increasing the rate of stirring or agitation.
No, Chromium etchant is a ready-to-use solution. Dilution will only be necessary if you want to reduce the etch rate.
The etch rate of Chromium etchant can be reduced by adding 1 part deionized water to 2 parts etchant. This will reduce the etch rate approximately 50%.
The etch rate of Chromium etchant will approximately double with every 10 degrees Celsius increase in temperature. The etch rate can also be increased by increasing the rate of stirring or agitation.
The etch rate of Chromium etchant at 40 degrees Celsius is 40 Angstroms/sec.
RUO – Research Use Only
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