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He, he... centrifuge. =)

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Chooie

Platinum Member
Nov 8, 1999
2,266
4
81
Schweet. Did you check out edmundscientific.com for your plastic test tubes?
 

Killbat

Diamond Member
Jan 9, 2000
6,641
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0
Edmund? No way am I paying their prices. I'll go to an electronics place here in town tomorrow. (I know, but they have a big box of test tubes. :confused: )
 

Mark R

Diamond Member
Oct 9, 1999
8,513
16
81
You really ought to check that they are centrifuge compatible first.

The cheap glass ones aren't and may break - usually, they don't disintegrate, but even a hairline crack will mean that the contents get out.
 

Mday

Lifer
Oct 14, 1999
18,647
1
81
things to separate:

milk, orange juice...

--

is it an ultracentrifuge? those are more powerful... separate other certain solutions...
 

Mark R

Diamond Member
Oct 9, 1999
8,513
16
81
Ultra-centrifuges are impressive pieces of equipment - unfortunately, I doubt that this is one.

I've seen one, and it had to go into it's own specially constructed basement. It's about the size of a large chest freezer, and had a huge vacuum pump, to reduce the air resistance inside. Despite this, it also needed a huge chiller system, to prevent the contents from burning.

The motor spindle is about the thickness of piano string, which means that to prevent it disintegrating when you run it, your samples must be balanced to within about 1 mg of each other.

Impressive, but then if you really want 250,000 g of acceleration, then I suppose you can put up with these difficulties.
 

ratkil

Platinum Member
Jan 12, 2000
2,117
0
76
So does anyone else have this mental image of a room with a spray of ink, kool aid and other various substances around all four walls and Killbats face?

And no, I do not often have mental images of Killbat's face you friggin perves............
 

geno

Lifer
Dec 26, 1999
25,074
4
0
Someone mentioned milk - do that! Get some whole milk, I'm sure the result's will be...interesting. Something tells me you'll end up with a cottage-cheese like substance =)
 

Chooie

Platinum Member
Nov 8, 1999
2,266
4
81
Lol, his underground lab must look like those paint spinner booths at the fairs :p
 

cxim

Golden Member
Dec 18, 1999
1,442
2
0
head down to the local hospital & into the lab.

there will usually be a bored chick or 2. have a good story about what you need a few tubes for, like a project for school, poor & money, etc.

be charming... you will get tubes for free & may run across a 'friend'

your interest in the girls at the lab will probably last longer than in the centrifuge, spinning gets boring fast.