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#3169859 - 10/28/13 06:37 AM Moly & Magnetic Sump Nut
LoveOil Offline


Registered: 06/05/13
Posts: 19
Loc: Australia
If Moly is a metal, will a magnetic sump nut attract the moly out of the oil?

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#3169863 - 10/28/13 06:43 AM Re: Moly & Magnetic Sump Nut [Re: LoveOil]
kjbock Offline


Registered: 09/23/13
Posts: 136
Loc: NC
I don't think Mo is in oil in pure metallic form, so no.


Edited by kjbock (10/28/13 06:43 AM)
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#3169864 - 10/28/13 06:43 AM Re: Moly & Magnetic Sump Nut [Re: LoveOil]
demarpaint Offline


Registered: 07/03/05
Posts: 25843
Loc: NY
No, it non-magnetic.
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#3169865 - 10/28/13 06:44 AM Re: Moly & Magnetic Sump Nut [Re: demarpaint]
kjbock Offline


Registered: 09/23/13
Posts: 136
Loc: NC
I believe pure Mo is paramagnetic.
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#3169883 - 10/28/13 07:04 AM Re: Moly & Magnetic Sump Nut [Re: LoveOil]
Donald Offline


Registered: 03/21/04
Posts: 17341
Loc: Upstate NY
There are a lot of elements that are metal. It has to be ferrous metal to be picked up by a magnet. Aluminum is a metal, along with copper, tin.
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#3169923 - 10/28/13 07:59 AM Re: Moly & Magnetic Sump Nut [Re: LoveOil]
Trav Offline


Registered: 11/20/06
Posts: 14362
Loc: MA, Mittelfranken.de
Originally Posted By: LoveOil
If Moly is a metal, will a magnetic sump nut attract the moly out of the oil?


I thought Molybdenite was a mineral.
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#3170010 - 10/28/13 09:36 AM Re: Moly & Magnetic Sump Nut [Re: LoveOil]
InhalingBullets Offline


Registered: 08/07/12
Posts: 447
Loc: TEXAS
MoS is more like graphite than a metal.
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#3214222 - 12/12/13 08:10 AM Re: Moly & Magnetic Sump Nut [Re: Donald]
weasley Offline


Registered: 03/13/13
Posts: 540
Loc: UK
Originally Posted By: Donald
There are a lot of elements that are metal. It has to be ferrous metal to be picked up by a magnet. Aluminum is a metal, along with copper, tin.


No - to be picked up by a magnet an element has to be ferromagnetic. Cobalt, iron and nickel are all ferromagnetic (in fact Co is the strongest). Other elements do also get attracted by a magnetic field in far weaker ways, including oxygen.

I have just seen a scientific study that shows that 'regular' MoS2 is diamagnetic (so weekly magnetic that it won't show up to you and me), although specially-prepared nanosheets of MoS2 displayed ferromagnetism.
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