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The brown ring test for nitrate

Started by kkjc2 | Last post by sunshines_rain October 12, 2008, 04:51:58 AM

13 Replies
67631 Views
Last post October 12, 2008, 04:51:58 AM
by sunshines_rain
How do they make H2S sniffing sticks?

Started by mistryous | Last post by Borek April 29, 2025, 02:09:15 PM

13 Replies
529 Views
Last post April 29, 2025, 02:09:15 PM
by Borek
aluminium dissolution in ethyl alcohol

Started by lotharien | Last post by lotharien February 24, 2010, 02:54:21 PM

14 Replies
12147 Views
Last post February 24, 2010, 02:54:21 PM
by lotharien
How to make nickel oxide

Started by maxvortex | Last post by maxvortex February 04, 2012, 02:51:37 PM

14 Replies
16022 Views
Last post February 04, 2012, 02:51:37 PM
by maxvortex
Help with PCB etchants

Started by shaheansar | Last post by chenbeier October 26, 2020, 05:37:12 PM

14 Replies
4283 Views
Last post October 26, 2020, 05:37:12 PM
by chenbeier
What exactly is this? (Calcium phosphate)

Started by global | Last post by AWK June 16, 2019, 12:11:45 AM

14 Replies
4921 Views
Last post June 16, 2019, 12:11:45 AM
by AWK
Need help with finding equations

Started by Blue212 | Last post by Blue212 February 23, 2011, 01:59:25 PM

14 Replies
12025 Views
Last post February 23, 2011, 01:59:25 PM
by Blue212
Mercury

Started by ThriceGreatHermes | Last post by ThriceGreatHermes October 08, 2005, 11:31:24 PM

14 Replies
11008 Views
Last post October 08, 2005, 11:31:24 PM
by ThriceGreatHermes
Separation of HCl and B(OH)3

Started by zarabat | Last post by Dan June 09, 2014, 05:39:31 AM

14 Replies
7328 Views
Last post June 09, 2014, 05:39:31 AM
by Dan
about atmoic orbital

Started by yiyo | Last post by Enthalpy September 11, 2013, 07:34:29 PM

14 Replies
8099 Views
Last post September 11, 2013, 07:34:29 PM
by Enthalpy
What is that white ball

Started by tooma | Last post by P May 10, 2017, 04:13:24 AM

14 Replies
7223 Views
Last post May 10, 2017, 04:13:24 AM
by P
chemical equilibrium

Started by kimi85 | Last post by kimi85 July 19, 2007, 10:46:11 AM

14 Replies
11268 Views
Last post July 19, 2007, 10:46:11 AM
by kimi85
How to etch silicon?

Started by Mitch | Last post by jenik August 06, 2010, 07:17:34 AM

14 Replies
17990 Views
Last post August 06, 2010, 07:17:34 AM
by jenik
At what pH does Mg(OH)2 precipitate

Started by lena | Last post by Demotivator December 07, 2004, 12:18:12 AM

14 Replies
28141 Views
Last post December 07, 2004, 12:18:12 AM
by Demotivator
back bonding

Started by geethika | Last post by shachi February 05, 2012, 08:32:51 PM

14 Replies
19083 Views
Last post February 05, 2012, 08:32:51 PM
by shachi
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