Electronics Forum | Sat Jan 27 08:45:43 EST 2007 | davef
[clipped] Chemistry of Hard and Soft Water From Anne Marie Helmenstine, Ph.D., Your Guide to Chemistry. Water Works I'm sure you've heard the terms 'hard water' and 'soft water', but do you know what they mean? Is one type of water somehow better th
Electronics Forum | Fri Sep 04 09:51:34 EDT 1998 | Dave F
| | | | | | | | | We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | | | | | | | | | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter,
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