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Measuring milligrams accurately
What would be the most accurate way to transfer 5mg of powder A from its storage container to a scal ... |
2-5-2011 at 08:32
by: jonco |
Diluting hydrochloric acid
How many millilitres will give you 0.24 moles of concentrated (12mol/L) hydrochloric acid? |
2-5-2011 at 05:38
by: jonco |
Dilution problem
sp gr = 1.08 for 40% Formaldehyde
V = 1g/(0.4*1.08) = 2.315mL
Add 2.315mL 40% formaldehyde to ... |
2-3-2011 at 12:50
by: jonco |
Dilution problem
Does anyone know how to solve the original problem in the first post? |
19-2-2011 at 10:48
by: jonco |
Dilution problem
Why is the question not properly specified? Is there insufficient information to solve it? |
6-2-2011 at 07:32
by: jonco |
Dilution problem
Don't we need the density (1.38 g/mL) of 37% Formaldehyde to convert from percentage to molarity, or ... |
6-2-2011 at 03:23
by: jonco |
Dilution problem
1. 37% Formaldehyde is 10*37*1.38 g/mL / 30.03g/mol = 17.003M (I got this from http://www.chembuddy ... |
5-2-2011 at 17:57
by: jonco |
Dilution problem
1. I took the molar mass 30.03g and multiplied by 37% and also by 100ml/1000ml for percentage concen ... |
5-2-2011 at 17:30
by: jonco |
Dilution problem
1. What volume of 37% Formaldehyde solution must be added to 1 liter of water to obtain 1g of CH2O p ... |
5-2-2011 at 17:14
by: jonco |
Palladium activator for electroless nickel
I wasn't able to get much help from them.  |
29-1-2011 at 15:19
by: jonco |
Palladium activator for electroless nickel
The tin chloride adsorb onto the plastic surface, and the palladium ions are bound by the tin chlori ... |
29-1-2011 at 14:35
by: jonco |
Palladium activator for electroless nickel
Hi Xenoid,
I prepared the plastic surface by soaking it in an alkaline potassium permanganate sol ... |
29-1-2011 at 13:50
by: jonco |
Palladium activator for electroless nickel
I had a look in the library beforehand, but couldn't find anything regarding palladium activation tr ... |
29-1-2011 at 13:00
by: jonco |
Palladium activator for electroless nickel
The tin chloride I'm using is Tin (II) Chloride Hemihydrate (SnCl2.½H2O). The solution is clear wit ... |
29-1-2011 at 08:51
by: jonco |
Palladium activator for electroless nickel
Hi,
I made a solution of tin chloride (1g tin(II) chloride with 4ml 38% HCL. Made up to 100ml wit ... |
29-1-2011 at 08:42
by: jonco |
How to make diphenyl sulfide?
Does anyone know how to make diphenyl sulfide using readily available chemicals? Or where to obtain ... |
23-11-2010 at 15:50
by: jonco |
How to make an iodonium salt
That's really interesting.
What I am trying to do is create a cationic photoinitiator for epoxy. ... |
21-11-2010 at 15:23
by: jonco |
How to make an iodonium salt
Does anyone know how to make an iodonium salt using common chemicals? |
7-11-2010 at 07:28
by: jonco |
Where to buy poly(ethylene)glycol diacrylate in UK?
Looking for a cheap source of PEGDA in the UK. |
5-11-2010 at 18:38
by: jonco |
Obtaining glyoxylic acid
Hi,
Just continuing my previous topic, there are other chemicals I'm interested in obtaining.
... |
11-1-2010 at 12:42
by: jonco |
Obtaining sodium hypophosphite
Hi,
Does anyone know where I can buy sodium hypophosphite in the UK or elsewhere?
Most of the ch ... |
9-1-2010 at 00:08
by: jonco |
