I want to make up some RNA loading buffer, right? And I'm googling (yes, Virginia, 'google' is a verb) for a recipe, and I find that a certain company not only makes the stuff but publishes the recipe, too. And then I see the advisory symbols for the product:
.
Now, I get the '4°' symbol — that means store in the 'fridge. But what the hell does the cup and saucer mean? 'Go and have a nice cup of tea while you run the gel'?
If you have a better idea, please post your suggestions here.




Comments
Er, you can eat it?
Posted by: Georg | September 18, 2006 04:41 PM
Well, you *could*; but I'd advise against it:
http://www.bath.ac.uk/internal/bio-sci/bbsafe/formamide.htm
Posted by: BK | September 18, 2006 04:58 PM
Do not store with food or drinks, I'd guess. Although I doubt that's much of a concern as most University EHS offices require you to put a giant "NO FOOD ALLOWED" sign on all your refrigerators.
Or maybe do not use in the presence of food or drinks?
Posted by: RPM | September 18, 2006 10:54 PM
I think it's a verb. Combined with the other symbol, it means 'drink cold'.
Either that or it means 'This reagent is your cup of tea! Buy lots!'
Obviously, I got nothing. Sorry.
Posted by: Da Whifflage | September 19, 2006 12:46 AM
If it's meant to be 'non-food' then it should have a cross through it. If it means 'heat to use' or 'OK if it gets hot' (it's formamide; this would not be unreasonable) then seeing as you're only supposed to heat to about 70C, someone needs a lesson in tea-making.
Posted by: BK | September 19, 2006 09:29 AM
Ha!
*After* sending their support address an email, I finally found what the symbol means in the PDF version of one part of their online catalogue.
And all I'll say is, 'Keep guessing'. Nothing to do with food or drink or H&S.
Posted by: BK | September 19, 2006 03:09 PM
remember to wear a tophat when you go out in the sun.
Posted by: worldpeace_and_aspeedboat | September 19, 2006 08:02 PM
Found it. Not exactly obvious though is it?
Well, *there's* half an hour of my life I'm never getting back... if I'm going to download great multi-megabyte chunks of catalogues, I need a faster connection...
Posted by: The Whiffler and his teacup | September 20, 2006 01:11 AM
Can you just tell us and put me out of my misery???
Posted by: Georg | September 22, 2006 01:25 PM
Oh all right then.
'Ready to use'.
And the bastards never did respond to my email.
Posted by: BK | September 22, 2006 01:35 PM
Well, that was bloody obvious wasn't it? Not. Do they mean like instant coffee? Actually, I've got no idea what they mean.
Posted by: Georg | September 22, 2006 01:45 PM
Our breakroom fridge (at a certain very large photographic film company) has a prominent sign that says "Food only, no chemicals". I'm tempted to put a sign below that that says "Food is made up of chemicals".
Posted by: Paul Tomblin | September 27, 2006 11:46 PM
Paul: start labelling your food by chemical composition.
Posted by: 666 | September 29, 2006 07:34 AM
*laugh* - I nearly sprayed a mixture of complex carbohydrate, fruit sugars and casein over my keyboard.
Posted by: BK | September 29, 2006 07:53 AM
Good site. Thanks!
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