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? Conc of ISTD-internal standard

Started by Golden_4_Life | Last post by Golden_4_Life January 29, 2010, 11:27:02 AM

5 Replies
5362 Views
Last post January 29, 2010, 11:27:02 AM
by Golden_4_Life
what are methods of quantity nitrate ion ?

Started by bluemonster | Last post by bluemonster July 07, 2007, 09:16:33 AM

5 Replies
6074 Views
Last post July 07, 2007, 09:16:33 AM
by bluemonster
Oxidation of organic constituents

Started by mercury | Last post by Yggdrasil July 02, 2007, 02:48:44 PM

5 Replies
7181 Views
Last post July 02, 2007, 02:48:44 PM
by Yggdrasil
uv/vis spectroscopy or aa spectroscopy?

Started by davink67 | Last post by Golden_4_Life January 04, 2010, 11:16:11 AM

5 Replies
4774 Views
Last post January 04, 2010, 11:16:11 AM
by Golden_4_Life
Prepare antibiotic stock concentration according to potency and hydratation

Started by CLG | Last post by CLG December 22, 2014, 03:50:38 AM

5 Replies
4017 Views
Last post December 22, 2014, 03:50:38 AM
by CLG
Gas Chromatography-spike in baseline

Started by mandytan | Last post by Stepan February 24, 2012, 06:51:40 AM

5 Replies
7201 Views
Last post February 24, 2012, 06:51:40 AM
by Stepan
Obscure HPLC quantitation problem.

Started by Arkcon | Last post by Arkcon January 03, 2015, 08:41:09 PM

5 Replies
3519 Views
Last post January 03, 2015, 08:41:09 PM
by Arkcon
NMR Spectroscopy

Started by DaveyCIS | Last post by kriggy November 19, 2014, 02:31:45 PM

5 Replies
3352 Views
Last post November 19, 2014, 02:31:45 PM
by kriggy
To find concentration of Tartaric acid using back titrations

Started by needy | Last post by needy December 12, 2009, 01:12:47 PM

5 Replies
5535 Views
Last post December 12, 2009, 01:12:47 PM
by needy
GRE chemistry subject question

Started by kimxx972 | Last post by jag300 December 18, 2009, 11:45:57 PM

5 Replies
6446 Views
Last post December 18, 2009, 11:45:57 PM
by jag300
Quantun yield measurement by relative method versus integrating sphere

Started by kamiyu | Last post by Corribus October 12, 2014, 06:12:40 PM

5 Replies
2749 Views
Last post October 12, 2014, 06:12:40 PM
by Corribus
PAH analysis

Started by Claude Pelletier | Last post by Claude Pelletier April 03, 2007, 08:11:59 AM

5 Replies
7596 Views
Last post April 03, 2007, 08:11:59 AM
by Claude Pelletier
Limit of Detection

Started by shafaifer | Last post by Furanone July 21, 2014, 07:36:00 PM

5 Replies
3267 Views
Last post July 21, 2014, 07:36:00 PM
by Furanone
Determination of aspirin by spectrophotometric method

Started by Bidagdha_TADIR | Last post by Bidagdha_TADIR July 19, 2014, 02:30:36 PM

5 Replies
6619 Views
Last post July 19, 2014, 02:30:36 PM
by Bidagdha_TADIR
calculation

Started by abcc | Last post by ARGOS++ March 24, 2007, 06:19:33 PM

5 Replies
6064 Views
Last post March 24, 2007, 06:19:33 PM
by ARGOS++
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