This annealing oxide layer on DI pipe and fittings, much like the patina on copper, is so slender it’s scarcely measurable nevertheless serves to forestall deeper pitting or degradation in the metal in regular ambient circumstances. ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​... https://riverocmt26926.blogolize.com/how-to-test-the-ph-of-a-glass-lined-reactor-67798245