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Hello! I recently started working in anodizing at an aluminum extrusion factory as their lab technician. I am wondering if anyone knows what type of chemicals can efficiently clean glass flasks and spills on the floor too? I take a sample of the etch tank that has caustic soda in it, filtrate it, then titrate with HCL into the filtrate. It seems to leave residue on the glass flask. I also noticed that if I spilled the sample t leaves a hardened residue, thus making it difficult to clean. What would I need to use? 

We don't know what type of cleaner that the previous lab technician use, so the only thing they gave me to clean is Lysol. Obviously, it is not strong enough because the residue remains. Its prevalent when it dries. 




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