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Author: Subject: latest glassware purchase
JJay
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[*] posted on 25-4-2017 at 10:53


ynaan is one of Yee Chen's eBay aliases. They tried to pull the same 50% refund crap with me on my receiver despite stating that they pay return shipping on their auctions. There is no rational reason to agree to a 50% refund from them; just have eBay collect the entire amount for you.

Deschem's packaging is the best. I have never gotten a broken item from them either. The quality of their items varies; some are very high quality and some are not, but their items seem to be always functional.

Laboy is known for quality... I think they are better than Pyrex.




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tsathoggua1
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[*] posted on 27-4-2017 at 17:23


I need to replace my fritted buchner, I'm stuck using a ceramic one now without inbuilt vac takeoff, Accidentally knocked it and shattered it. Although the frit is intact at least, so I'll reuse it either with a ceramic funnel hacked onto a ground glass joint, build an enamelled funnel or use the frit for a salt bridge in an electrolytic cell of some kind.

Bought a fair bit of new stuff though:

A couple of lengths of fused quartz tubing, pressure-equalized addition funnel, 100-pack of melting point capillary tubes, 2x drying tubes,
and a spare soxhlet. Actually a matched set of soxhlet and allihn condenser for it, I already had a soxhlet, but needed to pick up a condenser since the joint size is larger than any of mine. Figured I may as well get the set, since it was no more than I'd expect to have paid for the allihn to use with the soxhlet I have already, and get a second soxhlet for essentially free, bought a powder addition funnel also, and a dreschel bottle.

Total cost? about £90 inc. shipping for the one or maybe two items that charged any.
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JJay
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[*] posted on 27-4-2017 at 17:32


Is this a powder addition funnel with an auger?

Dreschel bottles are pretty cool. I have two. Usually, I use one as a suckback trap and the other one for gassing, but I'd like to have at least four.

Oh and quartz tubes are awesome.




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PirateDocBrown
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[*] posted on 27-4-2017 at 19:10


Six bucks at University Surplus!

Another $25 on a couple boxes of flasks and reagent bottles, too.

Now I gotta jigger a condenser...

20170427_220716[1].jpg - 1.4MB
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j_sum1
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[*] posted on 27-4-2017 at 19:36


I like the Klein bottle approach. i have not seen this configuration before.
Nice acquisition.
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PirateDocBrown
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[*] posted on 27-4-2017 at 22:16


It's a pretty standard Soxhlet.
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JJay
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[*] posted on 27-4-2017 at 22:25


If you get an adapter for it, you can use it with a condenser that you already own.



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PirateDocBrown
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[*] posted on 27-4-2017 at 23:03


That's the idea. Since you can get one of these, with a condenser, for not much, I'm looking for a good deal on an adapter, as well.
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JJay
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[*] posted on 28-4-2017 at 00:03


I got one from Nanshin rather inexpensively, and it works perfectly fine. Laboy makes bushings that look really nice, but I haven't tried them.

I have no idea if Dr. Bob would have one or not, but he has some good deals on lightly used name brand equipment.

I just bought a big 50 mL 3-neck flask in 14/10 with threaded joints and PTFE septa for my microscale setup. I also got a distillation adapter and a 25 mL flask.

I really need to find some long needles, preferably ones that will stand up to corrosives and aren't too expensive. I definitely don't want to buy expensive ones that won't stand up to corrosives.







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tsathoggua1
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[*] posted on 28-4-2017 at 13:32


Well I've no need to buy an adapter, since I already wanted the condenser, the fact that it was sold as a matched set with a soxhlet, for much the same price range that it'd have cost me for the condenser alone just means I essentially got a free second soxhlet as a bonus.

Something arrived for me today that I'd actually forgotten about, a mini-scale pear shaped flask (50ml I think although I'd have to check, with a sidearm, a central column with a female joint at the top and a sideways-oriented joint for taking a condenser, the column itself has a section of its length as a vigreaux column.), the pressure equalized addition funnel, and 100x capillary tubes for MP determination.
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JJay
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[*] posted on 9-5-2017 at 15:29


I got a 105 degree takeoff adapter for my 14/10 microscale kit. Now I can do a fractional distillation without a Hickman distillation head.

IMG_20170509_144945.jpg - 55kB

I also got a 25 mL flask (in 14/10) and the big, bad 50 mL 3-neck flask. Rawr.

IMG_20170509_145027.jpg - 57kB




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JJay
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[*] posted on 16-5-2017 at 08:50


I got my 1L filter funnel! Quality is so-so, with tiny bubbles visible at the joints, but I think it will function just fine.

IMG_20170516_084016[1].jpg - 441kB




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