| Search |
| [Next Page] |
bits and pieces
This is something I'm quite interested in, because commercial laboratory bioreactors cost upwards of ... |
7-7-2014 at 17:56
by: jwpa17 |
Gore-Tex as a cell membrane
I'm a little puzzled. The page you cite states, "Even though Wibert Gore imagined his new material ... |
26-5-2014 at 20:02
by: jwpa17 |
air vs water, filling pores
Be careful here. The surface tension, cohesiveness, adhesiveness (amongst other properties) of thes ... |
22-5-2014 at 16:12
by: jwpa17 |
Amount of X-rays to induce useful mutations in seeds
"Black lights" output UV-A radiation, i.e., between about 330 nm and 400 nm wavelength. Mutations a ... |
8-5-2014 at 17:24
by: jwpa17 |
Resources for the concepts of electrolytic synthesis
The "Topics in Organic Electrochemistry" isn't the book I was referring to, but would undoubtedly ha ... |
30-4-2014 at 19:19
by: jwpa17 |
Aseptic Culture Transfer
Yes, spores make things a lot easier. We usually grow our cultures on carrot agar to induce good sp ... |
30-4-2014 at 19:15
by: jwpa17 |
Resources for the concepts of electrolytic synthesis
It's dated, but I believe the standard reference is Albert J. Fry's 1989 book, Synthetic Organic Ele ... |
29-4-2014 at 18:08
by: jwpa17 |
UV Frequencies for photochemistry?
I'm not sure how much interesting photochemistry you're going to do with wavelengths longer than 315 ... |
29-4-2014 at 17:57
by: jwpa17 |
Glassblowing
For what it's worth, Project Gutenberg has a 1921 book on Scientific Glassblowing, available free on ... |
29-4-2014 at 17:50
by: jwpa17 |
Getting your product out of 1-octanol
Seems to me that your easiest route is to add a solvent that is a poor solvent for your products but ... |
27-4-2014 at 16:24
by: jwpa17 |
how to make "low pH but no sour" solutions
One of the oldest definitions of an acid is something that turns blue litmus pink, reacts with activ ... |
27-4-2014 at 14:20
by: jwpa17 |
Measuring ratio of Fe2:Fe3 in solution
I think it's possible to determine the ratio of Fe(II) to Fe(III) using potentiometry - measuring th ... |
25-4-2014 at 18:45
by: jwpa17 |
Using the Acetone enolate from Sodium Hydroxide
Not sure if this is relevant to your discussion since the reaction doesn't use sodium hydroxide, but ... |
13-4-2014 at 16:27
by: jwpa17 |
My MS300 is broken
At the bottom of this page
http://www.china-total.com/Product/meter/magnetic-stirrer/magnetic-stirr ... |
7-4-2014 at 17:19
by: jwpa17 |
Pill bottles (polystyrene and polypropylene)
I've noticed it here in western Pennsylvania, USA, as well. Also that more foods are coming in PETE ... |
7-4-2014 at 17:01
by: jwpa17 |
PABA (para-aminobenzoic acid)
Once you make the benzocaine, you can use it to derivatize (some) sugars via a reductive amidation. ... |
2-4-2014 at 18:25
by: jwpa17 |
Casenite powder? Cyanide or what's in it?
Check out
http://www.model-engineer.co.uk/forums/postings.asp?th=64390
|
28-3-2014 at 16:57
by: jwpa17 |
Aseptic Culture Transfer
Is there a reason you feel it necessary to use ozone?
In my lab, we use fungus as a source of a p ... |
25-3-2014 at 15:32
by: jwpa17 |
Sigma-Aldrich
I haven't done it for a decade or so, but Sigma in the US has been very friendly and easy to deal wi ... |
24-3-2014 at 16:44
by: jwpa17 |
Whats the most dangerous chemical you've ever synthesized?
When I was an undergraduate, I prepared (a very small quantity of) dimethyl peroxide. I was too stu ... |
21-3-2014 at 20:00
by: jwpa17 |
Using Liquid CO2 as a Solvent Media?
Is it possible? Probably.
Suggestions - call Dionex and speak with an application specialist for ... |
20-3-2014 at 05:10
by: jwpa17 |
Citric acid + acetic acid=
No, the conjugate base of the weaker acid will deprotonate the acid of the stronger acid. What you ... |
18-3-2014 at 20:27
by: jwpa17 |
Citric acid + acetic acid=
When you mix acetic acid (pKa 4.75) and citric acid (pKa 3.08), the mixture would be less acidic tha ... |
18-3-2014 at 20:09
by: jwpa17 |
Wood's glass
The photo store B H Photo Video lists a Rosco filter providing this for $8.95. It is "temporary una ... |
18-3-2014 at 19:54
by: jwpa17 |
Does anyone know what this is used for?
Dr. Bob - as unionised said, it's an automatic burette - it can be rapidily refilled through the bot ... |
2-3-2014 at 16:18
by: jwpa17 |
| [Next Page] |
