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Mem. des Poudres
Some members have mentioned their fast download speeds. Volume 31 (3688 pp.) of Ber. (1898) is 212.6 ... |
10-12-2005 at 17:56
by: S.C. Wack |
Carbon arc Furnace
FWIW, an illustration ("ELECTRIC FURNACES FOR THE 110-VOLT CIRCUIT"): |
8-12-2005 at 11:22
by: S.C. Wack |
mercury sources ??
WA law excerpt:
A school may not purchase for use in a primary or secondary classroom bulk elem ... |
8-12-2005 at 03:26
by: S.C. Wack |
Acetic anhydride preparation
"The sulfur-bromine mix was poured into the rbf"
Perhaps you might want to try this again with a ... |
6-12-2005 at 15:45
by: S.C. Wack |
Extract of Benzene thread
[quote][i]Originally posted by Polverone[/i]
density 0.878 20C/4C [/quote]
As printed, it was fr ... |
6-12-2005 at 03:37
by: S.C. Wack |
Pronunciation in chemistry
18 pages from the Fiesers' "Style Guide..." on pronunciation of words and names, whic ... |
27-11-2005 at 17:49
by: S.C. Wack |
toluene --> benzaldehyde
I've finally gotten around to photocopying the 100 year old French Rec. trav. articles mentione ... |
23-11-2005 at 19:55
by: S.C. Wack |
Calcium Carbide CaC2 - Acquisition, Uses and Synthesis
No, the cyanamide is not used as fertilizer over here. You would have seen mention of this if it was ... |
23-11-2005 at 19:43
by: S.C. Wack |
Piperine-Mediated Bioavailability
I assure everyone that piperine is [i]much[/i] less soluble in cold, non-anhydrous IPA than in boili ... |
21-11-2005 at 14:50
by: S.C. Wack |
Metal in alkaline cells
It is a steel. Test for Fe. |
21-11-2005 at 14:21
by: S.C. Wack |
Piperine-Mediated Bioavailability
Drug-store IPA is a fair recrystallization solvent. I suggest recrystallizing a few times, a product ... |
21-11-2005 at 04:06
by: S.C. Wack |
H2o2 + Kmno4
woelen is quite correct, as he already knows.
The amount of stabilizer is very small. Pure 35% H2 ... |
20-11-2005 at 15:02
by: S.C. Wack |
acetonitrile synthesis
Try looking with the search engine. A patent has come up before.
Since they aren't doing muc ... |
18-11-2005 at 08:49
by: S.C. Wack |
Boiling down formaline 20% to 40%
Perhaps vacuum distillation would be best for removing water. I just let my dilute solution sit in a ... |
15-11-2005 at 15:31
by: S.C. Wack |
toluene --> benzaldehyde
There are of course a jillion ways to do things...they all have some disadvantage or other...even [u ... |
15-11-2005 at 12:06
by: S.C. Wack |
Primordial chemicals
Ferrocyanide was made from leather, hair, blood, etc. as nitrogen source back in the day.
This is ... |
15-11-2005 at 11:38
by: S.C. Wack |
How to form formalin from paraformaldehyde?
The subject of depolymerizing real paraformaldehyde came up earlier and I stand by my answer in that ... |
7-11-2005 at 20:32
by: S.C. Wack |
ESPACENET .pdf file saving issue resolved
Right next to the "maximize" there is now "save full document". A human verifica ... |
7-11-2005 at 15:36
by: S.C. Wack |
How to form formalin from paraformaldehyde?
This product is hardly "paraformaldehyde". It contains very large amounts of dye and perfu ... |
7-11-2005 at 04:25
by: S.C. Wack |
methylene chloride alert!
Perhaps people smell chloroform differently, because I find it to be nonirritating, light, and sweet ... |
6-11-2005 at 17:50
by: S.C. Wack |
aged formaldehyde soln. precipitate
I've never heard of it becoming anything else, which dissolves on reflux with water. Was this s ... |
18-10-2005 at 13:46
by: S.C. Wack |
Magnesium metal in Italy?
I see that the same thread was started at http://www.magnesium.com/w3/
For anyone interested in M ... |
15-10-2005 at 09:49
by: S.C. Wack |
Preparation of elemental phosphorus
Yep.
GB patents up to the 191?'s are found by using the year followed by a 5 digit number. ... |
7-10-2005 at 20:44
by: S.C. Wack |
Pool chlorine and purity
Copy/paste from Inorganic Syntheses:
Procedure. A weighed sample (close to 0.1 g.) is added to an ... |
30-9-2005 at 16:21
by: S.C. Wack |
Paraformaldehyde & formalin question
Although there is little if any monomer in solution ever as such, it isn't polymer either. AFAI ... |
29-9-2005 at 03:03
by: S.C. Wack |
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