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Digital pH meters for sale
Thanks Doc B, the only other time I would use one is for an AB extraction. But I may as well get one ... |
21-2-2013 at 05:53
by: kadriver |
Digital pH meters for sale
Doc B
I use boiling oxalic acid in some of my processes.
But first I must adjust the pH to abo ... |
20-2-2013 at 10:46
by: kadriver |
Cole Parmer Lab Monitor III (discontinued)
I stumbled across one of these and it was very cheap ($15 USD) so I bought it.
Trouble is, I have ... |
20-2-2013 at 09:35
by: kadriver |
Growing Microbes in a beaker
Nice post, I'll google it
I agree, the quote sounds like he must have been looking through the mi ... |
20-2-2013 at 06:10
by: kadriver |
This time I'm selling it all
Do you still have the Yamato rotavap glassware for sale?
kadriver |
20-2-2013 at 06:02
by: kadriver |
Growing Microbes in a beaker
Hello,
Back in grade school we did a cool experiment where we put dead grass clippings in a 1 lit ... |
19-2-2013 at 21:13
by: kadriver |
Hardest Glassware to Clean
Try boiling aqua regia - 4 parts concentrated (32%) hydrochloric acid and 1 part concentrated (68% t ... |
18-2-2013 at 21:33
by: kadriver |
Yamato rotavap glassware set
Ephesian,
I am very much in the market for one if the price is right.
I've sent you a message ... |
18-2-2013 at 21:25
by: kadriver |
Starting a lab, striking the right balance (beginners please read).
I have several test tube brushes with metal handles.
They get real rusty after a few uses.
Is ... |
18-2-2013 at 21:22
by: kadriver |
Yamato rotavap glassware set
He may have what I am looking for (it is a cold trap instead of water-cooled condenser). I may have ... |
18-2-2013 at 06:50
by: kadriver |
Yamato rotavap glassware set
Thanks for the guidance.
The one on eBay is for a type B vertical, I would buy it but first I mus ... |
17-2-2013 at 20:35
by: kadriver |
Yamato rotavap glassware set
Also, if anyone has a partial set such as just the condenser, or just the receiver, I would be inter ... |
17-2-2013 at 11:29
by: kadriver |
Stainless Steel Bowl as the Cathode
[rquote=275094&tid=23390&author=KonkreteRocketry]Any one knows if pencil lead can be used in ... |
17-2-2013 at 10:44
by: kadriver |
Stainless Steel Bowl as the Cathode
[rquote=275073&tid=23390&author=cyanureeves]would this work with silver coins composed of 80 ... |
17-2-2013 at 10:36
by: kadriver |
Stainless Steel Bowl as the Cathode
[rquote=274982&tid=23390&author=DONALD W]Nice set-up.
Where did you get your variable powe ... |
17-2-2013 at 10:09
by: kadriver |
Stainless Steel Bowl as the Cathode
I modified my electrolytic silver cell to use a non-magnetic stainless steel bowl as the cathode for ... |
16-2-2013 at 06:23
by: kadriver |
Sodium Bromate
Thanks woelen.
I will do the dilute sulfuric acid test on the bromate that I aquired to see if I ... |
16-2-2013 at 05:27
by: kadriver |
What chemicals do you need?
I bought two hard to get chemicals from Ephesian on Tuesday and they arrived on Thursday.
The pri ... |
15-2-2013 at 10:40
by: kadriver |
Electrolytic Silver Cell
Hello:
Both Fleaker and Intergalactic_Captain are way over my head with respect to the chemistry. ... |
14-2-2013 at 21:41
by: kadriver |
Sodium Bromate
Is there another solvent (other than water) that can be used to separate the bromate from the bromid ... |
12-2-2013 at 00:04
by: kadriver |
Pyrex gas washing bottle
I love mine, I have 2 - a 500ml and a 250ml
look at this post and you will see a video of my expe ... |
1-2-2013 at 21:57
by: kadriver |
Clean Sulfur Dioxide Gas
As promised, here is the video showing the use of SO2 gas to precipitate gold from a gold chloride s ... |
1-2-2013 at 21:43
by: kadriver |
Clean Sulfur Dioxide Gas
woelen, I agree with you. The dilute H2SO4 dripped on the dry Na2S2O5 seems less messy. I do plan to ... |
1-2-2013 at 06:27
by: kadriver |
Clean Sulfur Dioxide Gas
Here is a great article on the apparatus and chemicals needed to make SO2.
The article says that ... |
31-1-2013 at 21:13
by: kadriver |
Clean Sulfur Dioxide Gas
I granulated the 16 gram gold button this evening.
After granulating the metal by pouring the mol ... |
31-1-2013 at 20:09
by: kadriver |
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