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anhydrous formaldehyde
Today I tested an apparatus built for the generation of anhydrous formaldehyde from trioxane.
Tri ... |
8-2-2016 at 20:32
by: Magpie |
new toys
[rquote=438253&tid=64800&author=blogfast25]
Try working out the range of n[sub]D[/sub] that ... |
8-2-2016 at 19:09
by: Magpie |
titration of formaldehyde
I could do the sulfite and hydroxylamine HCL methods with the chemicals on hand. I don't have a spe ... |
8-2-2016 at 19:01
by: Magpie |
titration of formaldehyde
I see now if trithiane is formed this consumes the H2S and formaldehyde, thus reducing the acidity. |
8-2-2016 at 14:38
by: Magpie |
titration of formaldehyde
[rquote=438182&tid=65275&author=Ozone]
The H2S reacts with the formaldehyde to give trithia ... |
8-2-2016 at 14:12
by: Magpie |
titration of formaldehyde
The video linked below shows how to titrate for the determination of formaldehyde. I don't understa ... |
8-2-2016 at 11:17
by: Magpie |
The Short Questions Thread (4)
"hydrogen bonding" for the water. |
8-2-2016 at 09:04
by: Magpie |
What shall I do with an old pressure cooker ?
[rquote=438119&tid=65260&author=Sulaiman]
. a small water still - low flow rate allowing ... |
8-2-2016 at 09:01
by: Magpie |
Happy birthday maestro !
He must have been precocious for his mother to attempt entering him at a university at age 15. ... |
8-2-2016 at 08:57
by: Magpie |
What shall I do with an old pressure cooker ?
[rquote=438057&tid=65260&author=Pumukli]Sounds interesting.
But afaik the local pressure co ... |
7-2-2016 at 10:54
by: Magpie |
Material balance (chemical engineering)
I don't see how the first 2 questions can be solved as stated in that order as no basis weight is gi ... |
4-2-2016 at 16:48
by: Magpie |
Drying Ethanol with Portland Cement
[rquote=437775&tid=65225&author=aga]Funny how the slightest ego-provocation brought out the ... |
4-2-2016 at 15:34
by: Magpie |
Drying Ethanol with Portland Cement
lit. Ca(OH)2 decomposition temp. = 580°C
When I have needed absolute ethanol I found out the har ... |
4-2-2016 at 13:16
by: Magpie |
Drying Ethanol with Portland Cement
[rquote=437737&tid=65225&author=aga]The surprising thing is that nobody has jumped in to say ... |
4-2-2016 at 11:50
by: Magpie |
gas heater
1) I did that heat transfer calculation before I purchased the copper tubing. The result showed a m ... |
1-2-2016 at 20:33
by: Magpie |
gas heater
Bert: I only used argon as I have it available at pressure. I understand that gases have different ... |
1-2-2016 at 19:11
by: Magpie |
gas heater
I have not tried packing. Thanks for the idea!
The oil is heated on my mag stirrer so was well s ... |
1-2-2016 at 13:29
by: Magpie |
gas heater
Yes, the residence time is very short, as you say just 2 seconds.
I agree that a very small TC th ... |
1-2-2016 at 13:12
by: Magpie |
gas heater
I constructed an oil-to-gas heat exchanger using a copper coil immersed in heated oil as shown in th ... |
1-2-2016 at 09:23
by: Magpie |
Pyridine synthesis/extraction
[rquote=437296&tid=9717&author=SunriseSunset]
The same guy ...[/rquote]
This is Praxichy ... |
31-1-2016 at 10:34
by: Magpie |
toluene --> benzaldehyde
Where is the excess air (N2) vented?
Did you wind the kanthal or did you buy/salvage it as a coil ... |
30-1-2016 at 09:52
by: Magpie |
Antifreeze in Heating Bath
[rquote=402081&tid=62173&author=macckone]I have used ethylene glycol before (BP 197C). It re ... |
29-1-2016 at 16:59
by: Magpie |
toluene --> benzaldehyde
That's interesting work Jimmy. Can you give us some words of explanation to go with the pictures. |
29-1-2016 at 16:12
by: Magpie |
trends in chemistry education
[rquote=437047&tid=65086&author=j_sum1]Actually, in terms of reagents used, I am not sure th ... |
29-1-2016 at 09:21
by: Magpie |
Grignard reagent compatibility
[rquote=436548&tid=65113&author=CuReUS]
I don't understand,do you mean you will react an al ... |
24-1-2016 at 16:00
by: Magpie |
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