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Testing for KCN
I see it is much dependent on what you have as impurities, like Cl-, ferrocyanide, SCN- etc. But cla ... |
20-11-2020 at 08:04
by: teodor |
Respirator recommendations
https://www.sciencemadness.org/whisper/viewthread.php?tid=156536 |
20-11-2020 at 03:18
by: teodor |
Best Allround Gasmask for Laboratory use in the Year 2020 ?
[rquote=649402&tid=156536&author=B(a)P]
Why do you use ABEK1 cartridges?
[/rquote]
It ... |
19-11-2020 at 04:19
by: teodor |
Latest chemical order?
[rquote=649397&tid=9890&author=chemship1978][rquote=649396&tid=9890&author=teodor]
... |
19-11-2020 at 03:43
by: teodor |
Latest chemical order?
CaO, 250g - for gas & alcohol drying
Acetylchlorid, 500 ml - for organic synthesis & experi ... |
19-11-2020 at 03:00
by: teodor |
Best Allround Gasmask for Laboratory use in the Year 2020 ?
[rquote=649370&tid=156536&author=B(a)P]
Breaking it down is not required, but keeping it in ... |
19-11-2020 at 00:40
by: teodor |
Best Allround Gasmask for Laboratory use in the Year 2020 ?
[rquote=649122&tid=156536&author=JerryNoBrainers]
'Secondly, cartridges are normally dispos ... |
18-11-2020 at 11:59
by: teodor |
Conversion of Red Phosphorus to Tetraphosphorus by the Action of Heat
But I don't quite understand what exactly makes reuse of glass problematic in this process. Does P4 ... |
16-11-2020 at 06:48
by: teodor |
Does methanol smell like anything to you?
I can smell cyanide ion in very low concentrations, like if few ml of ferric/ferrous hexacyannoferra ... |
13-11-2020 at 06:34
by: teodor |
Does methanol smell like anything to you?
I have realised that I can feel methanol only once, when I start to sniff. The smell is quite differ ... |
13-11-2020 at 03:13
by: teodor |
Does methanol smell like anything to you?
Thank you for letting me know, @p4rtridg3. I also never felt any smell working with methanol but I a ... |
12-11-2020 at 10:09
by: teodor |
Are there borders for "hazardous material" inside EU?
I've got the answer form S3 about my question for different shipping method: "sorry, we have no opti ... |
11-11-2020 at 04:29
by: teodor |
Do you know chemicals by their smell?
I just used the same Sb2O3 from a pottery shop as a starting material for all my experiments with an ... |
10-11-2020 at 03:23
by: teodor |
Do you know chemicals by their smell?
I noticed some very nice unusual smell when prepared K[Sb(OH)6]. Also I noticed that type of smell s ... |
10-11-2020 at 01:28
by: teodor |
Do you know chemicals by their smell?
Iso-butyric acid leaves nice after-smell, I can easily recognise it now in some cookies. The smell i ... |
10-11-2020 at 00:41
by: teodor |
Do you know chemicals by their smell?
Do you like smell of sulfur compounds? This is funny:
https://blogs.sciencemag.org/pipeline/archive ... |
9-11-2020 at 08:58
by: teodor |
Are there borders for "hazardous material" inside EU?
[rquote=648698&tid=156507&author=Fyndium]
But I'm fucked if they don't deliver abroad becau ... |
9-11-2020 at 07:52
by: teodor |
Are there borders for "hazardous material" inside EU?
I've got response from S3 today that they unable to deliver me "Natrium Stücke": "We can't deliver ... |
9-11-2020 at 04:59
by: teodor |
Chromium Revisited
Thanks, Boffis. Indead, my test was very rude and I did it fast. In the case of its failure there ca ... |
7-11-2020 at 16:09
by: teodor |
Chromium Revisited
Hm...
I tried to check whether is there any Cr(VI).
I smeared the compound over 8 inch watch glass ... |
7-11-2020 at 11:43
by: teodor |
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not?
[rquote=648525&tid=156488&author=Texium (zts16)]
The problem is that most people care only ... |
7-11-2020 at 10:46
by: teodor |
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not?
[rquote=648517&tid=156488&author=Fyndium]There is this eco boom where everything must be 100 ... |
7-11-2020 at 06:23
by: teodor |
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not?
I agree with you, @Texium and think you have mentioned all the important point, so now we have a lis ... |
7-11-2020 at 04:26
by: teodor |
Cr(OH)3 * nH2O aerial oxidation?
Do you know what is the product of aerial oxidation of the wet Cr(OH)3 * nH2O? On the photo is just ... |
7-11-2020 at 03:29
by: teodor |
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not?
No, Farnell biggest part of the market is not amateurs. I worked with them as a kind of a local dist ... |
6-11-2020 at 13:04
by: teodor |
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