The Hive > Chemicals & Equipment
500ml 3-neck flask uses?
abolt:
Ethyl, I have seen many three necked flasks that had all the necks the same g/g size.
In fact these are the most common ones, IME.
Where necks are not a uniform size, you will usually find that the centre neck is bigger than the outer 2 in order to acommodate overhead stirrers.
Check here:
http://www.wilmad-labglass.com/group/1149
If this is a problem for matching other glassware, you can simply get adaptors to adjust the neck sizes.
Check here:
http://www.wilmad-labglass.com/group/249
Chemosabe, I have had that diagram psychologically analysed and have come to the conclusion that you are a blood relative of John Wayne Gacy. :)
http://www.geocities.com/Area51/Shadowlands/4077/gacy.html
methyl_ethyl:
Ethyl, I have seen many three necked flasks that had all the necks the same g/g size.
Yeah, so have I, own a few to boot.... I must not have comprehended that post correctly. I read it as "Are all three neck flasks 19/22" i.e. is that the only taper that three neck flasks come in, not "Are all three necks on a three neck flask 19/22". I thought the first was a strange question to be asked. Turns out I just can not comprehend simple english.
I did not intend the post to be a flame by any means, in case someone got the wrong idea ;)
In closing if you can dream it you can order it, as far as neck sizes, tapers, arrangement, or what have you, that was my point.
regards,
m_e
LoW_JacK:
since this flask is a 19/22 flask, could one fit a 14/20 claisen or a 14/20 stillhead in it?
19/22 ? 14/20??
22 and 20 being what? the length #? or the diameter #?
I often ponder these things.
pyroflatus:
LowJack, no, you cannot fit those joints together. Standard joint sizes take the form xx/yy where xx is the diameter of the wide end of the socket/cone, and yy is the length of the joint.
Even when joints of different sizes will mechanically fit together, it's a bad idea to use them like this as it leads to bad seals and stuck jointware.
ApprenticeCook:
one thing i always wonder about is the australia vs USA differnece....
we use 19/26 and 24/29 where as the american makers sell 19/22 and 24/40 (?) so i usually wonder if i buy USA stuff if it will be good enough for use with my aus gear....
Doubt it... esp for 24/40 your cone length is nearly double what we use.... but what about 19/26 or 19/22? ok or not? but i guess the american makers will make the size i want if asked....
-AC
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