Other Corrosive Media
Mixed acids, molten metals, supercritical conditions, ultra-high purity, etc.
HCl and Sodium Cyanide Solution
JohnH · · 1 reply
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…
Dissimilar Metals
ehinshaw · · 1 reply
Hey Ultramet CPT, I was working with a rupture disc company the other day for a mixed acid environment where they had recommended to use a nickel alloy in combination with a Ta burst disc. I am concerned about the…
Nitric Acid Pump Impeller Corrosion
JohnH · · 1 reply
Hi, We are pumping nitric acid right now using a Hastelloy C276 impeller that is getting eaten up pretty quickly. We believe we are having not only corrosion issues but some cavitation due to the corrosion pattern. Any…
High Purity Acids / Electronics
Dan · · 1 reply
Hi, I am involved with a variety of ultra high purity acids for electronic etching applications. The most common acids I deal with are sulfuric acid, hydrochloric acid and HF. My problem trying to maintain the purity of…