Q: Does titanium change color soaked in 80℃10%NaoH solution?
A: This is one method of identification of genuine and fake, genuine will not change, while fakes may change color. Therefore long-term used scaled titanium rod filter can use this cleaning method, specific methods are: 5% solution with hydrochloric acid or sulfuric acid solution 8% or less, or 10% of NaoH solution soak at room temperature, and then wash with water.