Thanks. I have two barrels , in my homemade scrubber. First filled with 3% H2O2 and second filled with 40 % NaOH sol Air outlet goes into the first and second Barrel respectively. They are placed on the roof. Sure , I will show the system in a video . First it needs to be fixed ( for now not working)
@@PickyPlans thank you so much sir! I have already read in refining precious metals book a way of testing cyanide solution for gold by using drops of HCL in a sample intil the ph becomes 4.5, then using stannous as usual for gold existence.