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Lead (II) thiocyanate
Can u buy ammonium tiocyanate (ammonium rodanide)?
This is important analytical chemical. |
7-5-2011 at 08:38
by: kicsiatom |
Remove ink from stamps
What can i do that i know what is the ink's component?
Or what can damage/remove ink?
Have someo ... |
6-5-2011 at 11:52
by: kicsiatom |
Remove ink from stamps
I thought: a small adhesive token stuck on a letter or package to indicate that that postal fees hav ... |
5-5-2011 at 19:37
by: kicsiatom |
Remove ink from stamps
We know, the ink which saturated on sponge is odorless, dark coloured, on the paper is black.
The i ... |
5-5-2011 at 13:12
by: kicsiatom |
Remove ink from stamps
Hi people!
I have a big problem...
I'd like to remove ink from stamps, but i dont know what is r ... |
5-5-2011 at 11:36
by: kicsiatom |
