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Adhesive that boils/decomposes under 250C
I read some papers on thermal decomposition of cyanoacrylate - HCN is an issue. Still I tried it la ... |
27-11-2012 at 15:59
by: amaurer |
Adhesive that boils/decomposes under 250C
I may have been a bit ambiguous; the distances are on the order of 10 one thousandths, not 1 ten tho ... |
27-11-2012 at 14:48
by: amaurer |
Adhesive that boils/decomposes under 250C
The problem is that the two parts need to be held very close together, like under 10-thousandths of ... |
26-11-2012 at 17:37
by: amaurer |
Adhesive that boils/decomposes under 250C
Another thought I had was perhaps a substance/film which forms a stable hydrate which is robust and ... |
25-11-2012 at 11:15
by: amaurer |
Adhesive that boils/decomposes under 250C
I'm looking for a substance, polymer, or whatever that I can use to hold objects together temporaril ... |
24-11-2012 at 22:09
by: amaurer |
Dehydrating a hydrate?
[rquote=256385&tid=21061&author=jamit]
Sodium bisulfate sold as a pH lowering chemical is n ... |
5-8-2012 at 09:44
by: amaurer |
Dehydrating a hydrate?
I am familiar with deliquescence... and have noticed that my NaHSO4 does seem to behave that way. F ... |
4-8-2012 at 10:25
by: amaurer |
Dehydrating a hydrate?
Do we know what temperature range NaHSO4 would require to dehydrate? I am drying it with a hair dry ... |
3-8-2012 at 18:31
by: amaurer |
Dehydrating a hydrate?
Using that as an example, wikipedia says it decomposes at 275F... so staying under that temperature ... |
3-8-2012 at 17:28
by: amaurer |
Dehydrating a hydrate?
Do all hydrates dehydrate by simply heating them?
And what determines the temperature required ... |
3-8-2012 at 17:15
by: amaurer |
Sodium bisulphate & acetone
Just to update, looks like the acetone will dissolve all the easily-available water but the sodium b ... |
2-8-2012 at 07:31
by: amaurer |
Sodium bisulphate & acetone
Looks like anhydrous sodium bisulphate is insoluble in acetone.
However I attempted to crash it o ... |
1-8-2012 at 16:58
by: amaurer |
Sodium bisulphate & acetone
I'm trying to scale the process up. I apply my aqueous solution to the fabric, but, say, if I want ... |
1-8-2012 at 13:02
by: amaurer |
Sodium bisulphate & acetone
I need to extract the sodium bisulphate from a saturated aqueous solution. Evaporation is too slow ... |
1-8-2012 at 12:36
by: amaurer |
Non-hygroscopic replacement for sodium bisulphate
I don't doubt it. Maybe its also deliquescent too? Its holding a lot of moisture beyond the hydrat ... |
26-7-2012 at 21:50
by: amaurer |
Non-hygroscopic replacement for sodium bisulphate
Well I'm no chemist but thats my understanding as well. I do know that the process still works even ... |
26-7-2012 at 14:44
by: amaurer |
Non-hygroscopic replacement for sodium bisulphate
Its just a handling issue. By the time you'd be wearing it yes it'd be washed and bisulphate free. ... |
26-7-2012 at 14:20
by: amaurer |
Non-hygroscopic replacement for sodium bisulphate
Yeah maybe its a tall order. It doesn't need to melt, really.
The way the process works now is t ... |
26-7-2012 at 12:08
by: amaurer |
Non-hygroscopic replacement for sodium bisulphate
Is there any measurement of hygroscopy so I could compare the two? |
26-7-2012 at 07:14
by: amaurer |
Non-hygroscopic replacement for sodium bisulphate
Not for the staining, I'm actually after the embrittlement that allows area to be cracked/washed awa ... |
25-7-2012 at 15:53
by: amaurer |
Non-hygroscopic replacement for sodium bisulphate
I suppose thats a fair answer...  ... but I should have mentioned that the "dry"
nature of the bisu ... |
25-7-2012 at 06:17
by: amaurer |
Non-hygroscopic replacement for sodium bisulphate
Sodium bisulphate is commonly used to "burn out" cellulose fibers from fabrics to make fabric patter ... |
25-7-2012 at 00:28
by: amaurer |
