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Q: How do I keep ferrofluid from sticking to the sides of a glass container. ( No Answer,   0 Comments )
Subject: How do I keep ferrofluid from sticking to the sides of a glass container.
Category: Science > Chemistry
Asked by: amateureschatologist-ga
List Price: $30.00
Posted: 22 Oct 2006 18:00 PDT
Expires: 21 Nov 2006 17:00 PST
Question ID: 775918
How do I keep an oil-based ferrofluid from sticking to the sides of a
glass container?
I am trying to build a project that involves a transparent container
containing about a pint of ferrofluid(in combination with some liquid
it won't mingle with). However I am having problems with the
ferrofluid sticking to the sides. So far, I've had the best success
filling a lab-grade pyrex container full of distilled water and then
adding the ferrofluid, but the ferrofluid still "stains" random spots
on the container. I've tried commercial products(mask defog, rain-x),
with no success. I do know, however, that this can be done, as I have
seen it in a commercial product(don't remember where). Your help would
be greatly appreciated.

Request for Question Clarification by denco-ga on 22 Oct 2006 19:15 PDT
Howdy amateureschatologist-ga,

This article has two suggestions.

"Pretreatment of the glass tube by: 1) soaking it overnight in a strong
solution of KOH in ethanol or 2) by coating the inside with Scotchgard
spray and drying will help the ferrofluid drain more rapidly."

This article has another treatment.

"These plates were cleaned using soap and alcohol and then rinsed with
ROPure water."

I am posting this a request for clarification, so you can try these
methods to see if one works, before I post this as the answer to your
question.  Thanks!

Looking Forward, denco-ga - Google Answers Researcher
There is no answer at this time.

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