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20 Jul 2016 | #11 |
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Quote:
especially a sugary liquid or coffee which can be quite acidic and may have even chewed through some of the copper tracks already.
It would have to be some seriously corrosive stuff to eat through the epoxy resin protective barriers used on PCBs. These epoxy resins are used just to provide protection from corrosion and damage from spills, and the elements, and even the air we breathe. So this liquid would have to first eat through the epoxy resins before it could even get to the copper traces and that is just not likely. More likely it would start to corrode the exposed contacts of the components attached to the motherboard (that aren't coated in epoxy resin too). But before that, if acidic enough to eat epoxy resins and metals, the various plastics and other membranes in the keyboard and on the way to the mainboard would get eaten first. And by that time, the water in the liquid would have evaporated and dried, stopping or greatly slowing down any chemical reactions going on - even if this is a notebook with the battery still providing electrical current as a catalyst. But most importantly, it takes many years for Coca Cola, for example, to eat through a penny and even then, the Coke would have to be regularly replaced with fresh Coke. That is, gallons and gallons of Coke, not a glass full. It might make the penny shine, but eat through it? No. Consider this. What are Coca Cola, Isopropyl Alcohol, Acetone, Tetrahydro-furane, Toluene, and other "solvents" stored in? Plastic and metal containers. What is one of the best corrosives out there? Oxygen. So the question is, what could the OP (who has yet to return) spill on his keyboard to eat through plastics, epoxy resins and metals? Not anything he would drink, that's for sure. So excluding the obvious risk of electrical shorts, what is the problem with spilt liquids on electronics if not really corrosion? Gunk! It is the sticky, gooey, perhaps greasy "gunk" that is left behind that "gums" up switches, electrical contacts, and other mechanical components, as well as creating a coating that collects dust and forms an insulating blanket over heat sensitive devices. |
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20 Jul 2016 | #12 |
Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
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Sorry, but not buying that. Look up some of the many Mythbusters shows about sugary acidic drinks like Coca Cola involving organic (beef steaks) and inorganic (nails and pennies) materials. In every case, the myth was busted or took so long that it was judged implausible.
It will certainly have a go at the aluminium trays that are under some KB's. I know for a fact that the kitchen at where I work use that acid to descale washers and drains and we used to use it in cleaning the rust out of car rads way back. I use it to also clean rust drip marks in baths and basins and the rate at which it does it would make your nose bleed. Oh and I forgot to mention what about those tiny cable pin connections inside the machine/ they do not have any protection as such But we are not here to argue the toss and had better get OT as I am sure the OP does not want two senior members finding faults with each others posts I am sure you would agree ![]() But if you are adamant that you have the answers then be my guest. |
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21 Jul 2016 | #13 |
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![]() And as seen here, Quote:
Hydrochloric and phosphoric acid don't oxidize metals well and won't dissolve copper.
![]() But if you are adamant that you have the answers then be my guest.
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22 Jul 2016 | #14 |
Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
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It is not about me. It about doing our homework. I look it up so the OP is given pertinent information. I would not worry about the phosphoric acid in Coke (if that is even what was spilled here). The much bigger worry is all about the water in the Coke getting into the electronics and the sugary "gunk" or residue left behind once the liquid dries.
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