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HCl and Sodium Cyanide Solution

  • JohnH
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9 years 2 months ago #42 by JohnH
JohnH created the topic: HCl and Sodium Cyanide Solution
Hi,

I know from my experience with tantalum that it will be fine in the HCl acid environment but during our process the tantalum will be exposed to a sodium cyanide solution which creates a basic environment that could have a PH as high as 11. Will your tantalum coatings be compatible with this environment?

Thanks
John

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  • Ultramet CPT Corrosion Experts
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9 years 1 month ago #48 by Ultramet CPT Corrosion Experts
Ultramet CPT Corrosion Experts replied the topic: HCl and Sodium Cyanide Solution
Hello John,

Yes...Tantalum will be immune to sodium cyanide. Attached you will find in the back of our brochure a convenient corrosion table showing all the media where tantalum will have no corrosion rate.

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