About
Community
Bad Ideas
Drugs
Ego
Erotica
Fringe
Society
Technology
register | bbs | search | rss | faq | about
meet up | add to del.icio.us | digg it
Go Back   Community > Science > Laboratory Tips
FAQ Members List Calendar Search Today's Posts Mark Forums Read

Laboratory Tips Safety proceedures, test reagents, drilling rubber stoppers, bending glass tubes, etc. Contributed to by chemists.

Reply
 
Thread Tools Display Modes
 #1 
Old 2003-11-18, 08:19
oops_i_od'd oops_i_od'd is offline
Regular
 
Default I Need To Know-Need-To-Know

Just wondering how to go about getting the water out of my iso alcohol. Also was wondering if swird'd could use denat.alc. in recrystaling?
 #2 
Old 2003-11-18, 08:23
kirby kirby is offline
Regular
 
Default Re: I Need To Know-Need-To-Know

yes iso is good for crystalizing,,,

and dry the iso the same as you would any solvent
 #3 
Old 2003-11-18, 09:11
oops_i_od'd oops_i_od'd is offline
Regular
 
Default Re: I Need To Know-Need-To-Know

So then, Freezer???
 #4 
Old 2003-11-18, 10:32
kirby kirby is offline
Regular
 
Default Re: I Need To Know-Need-To-Know

the freezer,,the freezer??????

who told you that

go buy some epsom salts100%

pour into backing dish and spread evenly

bake at 300c for 3 hours

tap out of dish

crumble into knuckle size pieces

put in about a cupped handfull each litre of liquid wished dry

swirl around for 3 mins

let sit for 1 hour

filter out the epsom

let sit for 5 mins

pour out solvent slowly

transfer last inch to next solvent container

thats how you dry liquids....

the freezer for fuck sake
 #5 
Old 2003-11-18, 23:13
madchemist madchemist is offline
Regular
 
Default Re: I Need To Know-Need-To-Know

Buy some damn iso-heet. It's like 99 cents a bottle and is basically dry. Any minute amount of water that may or may not be present in it can be removed with oven baked epsom salt or NaCl. SWIM has never dried iso-heet and has had no problem at all.
 
To the best of our knowledge, the text on this page may be freely reproduced and distributed.
 

totse.com certificate signatures
 
 
About | Community | Bad Ideas | Drugs | Ego | Erotica | Fringe | Society | Technology
Hot Topics