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unknown dye - german label
Couldn´t the first three letters bee FCF? Not sure how to read the German handwriting.
Anyway, i ... |
30-9-2017 at 05:43
by: e.liska |
unknown dye - german label
The solution in tap water (pH about 7.5) is strong green. It takes very little powder to make a lot ... |
29-9-2017 at 02:51
by: e.liska |
unknown dye - german label
But dry malachite green is green, isn't it? This looks more like violet. |
28-9-2017 at 23:34
by: e.liska |
amidazotoluol
I have found the following text, the physical description matches the content of the bottle:
Amid ... |
28-9-2017 at 14:39
by: e.liska |
unknown dye - german label
I cannot google anything like this or similar. |
28-9-2017 at 14:36
by: e.liska |
unknown dye - german label
Anyone can read and understand this? The powder has a dark brownish violet color.
[file]61599[/f ... |
28-9-2017 at 13:05
by: e.liska |
amidazotoluol
I do not feel like opening it now, I have no replacement bottle handy and it seems it may be difficu ... |
28-9-2017 at 03:20
by: e.liska |
amidazotoluol
I have found a bottle that reads Amidoazotoluol medicinale "?gfa", Anilin fabrikation Berlin... look ... |
27-9-2017 at 09:58
by: e.liska |
How dangerous is potassium ferricyanide?
I got some potassium ferricynide. How dangerous it is regarding its toxicity? Acorring to the warnin ... |
14-9-2017 at 23:33
by: e.liska |
Total chlorine
I especially need to be sure there are no chloramines, which are very toxic for my purposes. |
7-9-2017 at 06:37
by: e.liska |
Total chlorine
I mean things like this http://hannainst.com/hi711-total-chlorine.html. I would also like to know wh ... |
5-9-2017 at 03:20
by: e.liska |
Total chlorine
but if I read this, there are no chlorides mentioned: https://www.nemi.gov/methods/method_summary/52 ... |
5-9-2017 at 01:26
by: e.liska |
Total chlorine
If I measure total chlorine using some of the commonly available kits, what is actually measured? Do ... |
5-9-2017 at 00:41
by: e.liska |
Baking Soda in water
Is there some easy way to distinguish between baking and washing soda when I get my dry crystalls?
... |
4-9-2017 at 20:29
by: e.liska |
Baking Soda in water
So is there any critical temperature of the solution that should not be reached to keep the bicarbon ... |
3-9-2017 at 09:30
by: e.liska |
Baking Soda in water
So if no high temperatures are involved (no heating, drying slowly), would I get back the bicarbonat ... |
3-9-2017 at 03:10
by: e.liska |
Baking Soda in water
I am sorry if my question is stupid but I am just a beginner.
I experiment with baking soda. When ... |
3-9-2017 at 02:49
by: e.liska |
