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Author: Subject: Science equipment looking for a home
Dr.Bob
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[*] posted on 11-12-2023 at 11:03


I just found anbother small box of hardware, mostly clamp holders, aka bossheads, and related items.

There are a few lots of items that I would be happy to sell as a group, or a few at a time, if no one buys them all.

Fisher castaloy clamp holder bosshead trianglar.jpg - 175kB Fisher cataloy hook type clamp holder connector.jpg - 295kB

First is 12 working and 2 stuck (free bonus in case you can fix them) anglular Castaloy clamp holders, these run about $200 in Ebay new, I would sell the lot of 12 for $60, they run from like new to well used or corroded, but all working, except for the extra 2 stuck ones. https://www.ebay.com/itm/364592963348

Next I have a set of the simpler Fisher Cataloy Flexframe Hook connectors, which are designed to simply hold 2 1/2" rods tight, can be used for lattice frames or holding clamps, but not as nice as the above ones. There are 17 of these, they run about $5 each on Ebay, I will do all 17 for $50, under $4 each, for the entire set. (I likely have more of these mixed in other lots of hardware if you want more.) https://www.ebay.com/itm/353813567122

kimble round lattice connector.png - 241kB Ohaus lattice connector round.jpg - 23kB

Then I have the round Kimble type 1/2 inch lattice connectors, which are little aluminum balls with allen keys to tightten them, can be installed or taken off while lattice is intact, so very handy, but not really useful for clamps. I have 20 of these for $100, they sell for $20 new, and about $5-8 ea used on Ebay.
https://www.dwk.com/na/kimble-12-lattice-connector

Next are 8 working and 5 non-working Ohaus round lattice connectors. They are very sturdy, but harder to assemble and take off. I would ask $50 for the entire lot. https://www.grainger.com/product/404R21

big clamp 90 degree.jpg - 5kB

And lastly I have some mixed, but similar clamp holders, unbranded, that look like the link below, and are very sturdy clamp holders. I have 12 working ones. They sell new for a lot, about $25, but I want to go with $5 each, so $60 for the lot of 12.
https://www.arborsci.com/products/90-degree-clamp

Lastly, I just found about 6 more large Fisher 3 prong Cataloy clamps, which sell new for almost $100, I will sell them for $15, as they are are all in almost new condition. There are a few VWR ones that are of similar quality as well.

I have many other clamps, rings, and clamp holders also, but these I have a bunch of similar items for people that want a set of matching ones. I also have more broken ones, if anyone wants to try to fix some for cheap.



[Edited on 11-12-2023 by Dr.Bob]
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[*] posted on 26-12-2023 at 17:44


A long time ago I spoke to someone who had a microscale setup with mostly 10/18 and 14/10 joints. I found a few pieces of this that I knew I had, but could not find for a while. Mostly a couple of 10/18 condensers and some other odd bits. If you are them or anyone who can really use some 10/18 condensers, please let me know so I can give them to you. I likely have more scattered around of small stuff, so please let me know. I also have a number of Weaton V-bottom vials in a few sizes and styles, plus stir bars and other bits for them, if anyone is interested in them. I would have to sell them for a little bit, but not much.
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[*] posted on 12-1-2024 at 06:21


I have been asked for an updated list of available glassware, so I just finished editing the list to be as close as possible, given the flux of stuff in and out. I have hidden most of the items with 0 inventory, but sometimes I can find those items or have one that is dirty, damaged, or recently found. But the items shown as in stock I should have available.

Attachment: Glassware Inventory Jan 2024.xls (95kB)
This file has been downloaded 149 times

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[*] posted on 12-1-2024 at 19:39


Some non-equilibrated addition funnels below. I have 2 x 125 ml ones that are PTFE stopcock. The top is a TS 222 stopper, I can provide one, this is not 24/40 compatible. There is also a graduated 125 ml one, with a 24/40 compatible top. I would ask $30 for any of them.

Also some 24/40 to 14/20 bump bulbs that I photographed for someone else, but figured I would post here before they go to Ebay. $20-25 each.

Also some Kugelrohr bulbs in many sizes and styles, all 14/20, from 5 or 10 ml up to 250, even some long ones for large amounts. They can also be used as Rotovap bump traps, or distillation bump bulbs or small solvent resevoirs for little columns, if you really reach for uses.
24-40 non-eq 125 ml add funnels 20240113_171113.jpg - 534kB 20221008_101543.jpg - 861kB20220826_145940 24-40 to 14-20 bump bulbs.jpg - 1.5MB

20240113_173249 larger kugelrorhs.jpg - 1.4MB 20240113_172823_001 small kugelrohrs.jpg - 1001kB



[Edited on 13-1-2024 by Dr.Bob]
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[*] posted on 18-1-2024 at 17:01


Addition funnel bought from Dr.Bob was cheap, shipped fast, and arrived in great condition. Columns bought in the past from him were just the same; fantastic. Thanks
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[*] posted on 25-1-2024 at 16:55


Just want to make a note that I will be away for a few days, but will answer all messages once I get back. Thanks for all of the help cleaning out my basement, garage, storage space, etc.
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[*] posted on 9-2-2024 at 05:14


I am back from my trip, and was asked for my email by someone, it is craigslistinnc @ gmail.com, if you email me there, I will email you back from there and give you my real email. I get spammed on any account I post, so I have to go through a lot of mess. Sorry for the trouble.
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13-2-2024 at 11:58
Dr.Bob
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[*] posted on 14-3-2024 at 12:31


I have some old Fisher drawer organizers left that I would like to sell, or take some offers on. Most are 18 x 19 " in size, and I have about 4 or more types. I attached some photos of similar items. These are an older model, made of polystyrene or such, and are a little brittle from age. But they sell new for $50-60 each, and I want to sell them for $10-20 each plus postage, or less if you buy a few. I just found a box that would hold up to about 6 or so of them, so if anyone is willing to buy a bunch, I can make a deal, and ship them easily. They are ideal for pipettes, small parts, small flasks, beakers, vials, and much more. I have a pile of them and will never use them all, so better to sell a few and have more space to sort other glassware. I am having issues getting the photos to display, see the link below for the Fisher site showing most of these organizers.

https://www.fishersci.com/shop/products/trippnt-drawer-organ...


Attachment: fisher drawer organizer 1.webp (6kB)
This file has been downloaded 93 times

Attachment: fisher drawer organizer 2.webp (7kB)
This file has been downloaded 69 times

Attachment: fisher drawer organizer 3.webp (15kB)
This file has been downloaded 64 times

Attachment: fisher drawer organizer 4.webp (4kB)
This file has been downloaded 57 times

[Edited on 14-3-2024 by Dr.Bob]
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[*] posted on 24-3-2024 at 09:28


Updated the spreadsheet again. It is listed below for uploading.

I keep finding graduated cylinders in smaller sizes, (10 to 100 ml), have a few sets made up of 10, 25, 50, and 100 ml sizes, including new ones for most sizes but 25 ml. I will sell the set of 4 of them for $16 each, or $20 if you want 5, and I can fill in an extra one of whatever extra size I can find. Still have lots of smaller erlenmeyers, volumetrics, filter flasks, and smaller multineck RBFs. Running out of small one necks in 14/20, mostly out of 24/40 rbfs, and still have a few 29/42 ones.

Attachment: Glassware Inventory Mar 2024.xls (80kB)
This file has been downloaded 103 times

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[*] posted on 7-4-2024 at 08:08


Here are some photos of a bunch of 29/42 pieces that I have left and was photographing for someone, so I will post them for anyone what is interested in 29/42 glassware. There are many adapters, short paths (with 10/30 therm joints), vacuum adapters, gas inlets, Dean starks, addition funnels, and much more. I have more addition funnels somewhere, up to 2L size. If you should be interested in any of it, please let me know which items and either an offer or I can give you a price. Most things would be the same price as the 24/40 equivalent item.

I also have a number of 3 and 4 necked rbfs in 29/42 with straight and vertical necks of 250 and 500 ml size. i'd ask the same price as the equivalent 24/40 3 neck flaskand . I also have enough stuff to make one more "kit" with a claisen, dist head, condenser, gas inlets, and more.

20240407_110152 cropped.jpg - 1.6MB20240407_110616 cropped.jpg - 1.6MB20240407_111250 cropped.jpg - 1.2MB20240407_111850 cropped.jpg - 1.4MB
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[*] posted on 15-4-2024 at 07:24


Here are a couple of condensers I have, might sell one shortly, but I have several of the lower ones, which is a West condenser combined with a curved vacuum adapter, all 24/40 joints, asking $25 for it. The top one is a simple West with a 24/40 bottom joint but a simple joint at the top, like for a rubber stopper, I would only ask $10 for it.

20240415_073444 long condenser cropped.jpg - 756kB
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[*] posted on 22-4-2024 at 16:16


Someone asked me about HPLC columns. I have a bunch, mostly very old, a few might be new, but most were used and then sealed and stored for years. I am willing to sell them for very little as they are, given that I don't know if they work or not. If anyone is at an acedemic location, I will give most away for the shipping costs. Some are likely quite expensive when new, and I suspect that many of these are usable or fixable with some reconditioning (run water to acetonitrile and back a few times or such).

So I will be posting the columns as I dig them out.

Rainin Microsorb CN 80-820-C5 - new in sealed box, heavy sucker - make an offer

Keystone - Asahipak ODP 250x2mm 255-520-2 5um 200 A

Keystone - Cyano/B 250x4.6mm 255-303 5um 100 A

Phenominex Aqua 5u C18 125A 00D-4299-N0 100 x 10.0 mm 5u semi-prep

Phenominex Synergi 4u MAX-RP 80A 00F-4337-E0 150 x 4.6 mm 4u (C12 neutral?)

Diazem Amine C60CAMQ-25046 analytical column




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[*] posted on 4-5-2024 at 11:01


A few more things to post I just found. Not sure what some are, but I will describe. make me an offer if you want to make one.

From the right side: 2 long fritted gas inlets - 24/40 joint on top - 2 gas barbs, tube is about 12" long. - Asking $15

Next two (and the 2 pieces on the far left are what's left of another) are 24/40 joint with upper inlet and top open tube, and a very long (~15") open ended tube going into the flask. No idea what this is for. Asking $15 each plus a free broken one to the first buyer.

Next a Snyder column with the middle floating ball broken. no idea if it will work, nexrly impossible to repair, happy to give to someone who buys anything else and pay shipping.

Lastly, some sort of bubbler thing with 2 24/40 joints anda fritted tube inside. $10 or make me an offer.

20240504_141355 long things cropped.jpg - 1MB
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[*] posted on 4-5-2024 at 11:38


Here is another set of photos of the 19-22 kit I have slowly assembled from bits and pieces. It is nearly a full setup, with a variety of flasks (some all 19/22, some mixed with 14/20 or 24/40 joints), a few distilation heads, a claisen, 4 various condensers (one is a coil and outer jacket combo), a few odd Soxlets that may work with some of the condensers, gas inlets, and many other pieces and various adapters. Plus some adapters to other sizes, septa keck clips, and some stoppers. The one complex distillation head alone would sell for $400 new, but I am asking $150 for the entire collection. Or make me an offer. This is basically every 19/22 item I have found in the last few years all combined into one lot.

20240504_152403 19-22 glassware kit cropped.jpg - 1.5MB 20240504_152307 19-22 closer view cropped.jpg - 1.2MB
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[*] posted on 6-5-2024 at 07:07


I have been told the the long glass items 2 posts back might be from some "cyanide distillation apparatus", used for certain analytical digestions, not quite sure what they are used for exactly. But I found more of them, and will likely post them on Ebay, but I have lots, so if you want to play with one, I will sell cheap. Please don't distill cyanides with them.
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[*] posted on 24-5-2024 at 16:42


I’m interested in this lot. I sent you an email.



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