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No New Posts Analytical Chemistry Forum for Graduate Students and Professionals
This is a forum for analytical graduate students and professionals to ask and answer each other's questions.
269 Posts
83 Topics
Last post by Dwain
in Choosing between Thermos...
on November 04, 2009, 01:12:39 PM
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Good classical analytical chemistry books Borek 11 2852 Last post November 02, 2009, 08:32:50 PM
by windandfly407
Problem with zinc determination Golden_4_Life 11 1122 Last post October 23, 2009, 05:56:59 AM
by getthegirlfriend
What titrations have you tried? Borek 32 17048 Last post August 31, 2009, 04:29:46 AM
by Ida Isotope
What gravimetric analysis have you tired? Alberto_Kravina 6 6505 Last post March 26, 2008, 08:27:43 AM
by alhemicar
FORUM RULES: READ THIS BEFORE POSTING! Mitch 0 5704 Last post April 23, 2004, 06:36:48 PM
by Mitch
extraction machozitatu 2 60 Last post Today at 02:17:31 AM
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MDL tinapratiwi 6 399 Last post Yesterday at 02:45:36 PM
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SODIUM BOROHYDRIDE tinapratiwi 5 219 Last post Yesterday at 02:44:06 PM
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ACS exam preperation? Enantiomer 0 31 Last post November 17, 2009, 01:45:07 PM
by Enantiomer
phenolpthalein problem ece421 3 60 Last post November 17, 2009, 12:57:47 PM
by marquis
A Dilution Problem, very short : Requires one word answer. istrydummy 5 78 Last post November 17, 2009, 08:40:33 AM
by istrydummy
Conversion Units. Critical... gggggggggg 3 68 Last post November 17, 2009, 05:33:24 AM
by Dan
Order of Elution Question (CE) hawk 0 48 Last post November 16, 2009, 08:41:21 AM
by hawk
AAS FOR SILVER? tinapratiwi 9 616 Last post November 13, 2009, 05:34:49 PM
by ToxLabRat
activity coefficent faith 1 55 Last post November 13, 2009, 01:14:46 PM
by Borek
MOVED: HELP ME PLEASE !!! Borek 0 80 Last post November 13, 2009, 01:29:00 AM
by Borek
using activites to calculate hydronium concentration and pH organiclove 1 62 Last post November 12, 2009, 08:34:13 PM
by Borek
Material (mass) balance Expression? Deafboy 1 87 Last post November 11, 2009, 09:16:45 PM
by Borek
Titration by using UV-Visible spectrophotometer or photometer Ibin-Huan 1 127 Last post November 11, 2009, 02:30:29 PM
by marquis
Chemistry and the Environment: Share Great Ideas Here !!! donsayuriru 2 444 Last post November 09, 2009, 06:46:14 AM
by JGK
Zinc more reactive than Copper - Why? sodiumman 1 187 Last post November 08, 2009, 08:06:06 PM
by Schrödinger
analytical chemistry Raj Prabhugari 2 118 Last post November 08, 2009, 08:24:52 AM
by sjb
Calculating the solute (osmosis) potential NickHolt 1 161 Last post November 07, 2009, 06:52:32 AM
by Borek
Ozone Generator Calibration--Reason for Measurement Value Decrease? wzhu 11 455 Last post November 06, 2009, 04:27:16 PM
by wzhu
Dilution Question mike s. 2 292 Last post November 05, 2009, 11:15:39 AM
by Golden_4_Life
terms in spectroscopy mercury 1 145 Last post November 05, 2009, 05:22:30 AM
by JGK
How to find how much oxygen gas is liberated from hydrogen peroxide? mondotwistedmojo 0 183 Last post November 03, 2009, 12:50:55 PM
by mondotwistedmojo
The Absorbtion Spectrum of Hemoglobin- Need urgent help with some calculations. gggggggggg 4 296 Last post November 03, 2009, 05:05:27 AM
by JGK
MINERAL ANALYSIS fluoride byzas 2 183 Last post November 03, 2009, 01:01:56 AM
by byzas
g/mL to ppm Conversion (aqueous solution) CopperSmurf 9 8206 Last post November 02, 2009, 05:30:41 AM
by MikeF
Help with determination of HCl PseudoKemist 0 151 Last post October 30, 2009, 09:07:16 AM
by PseudoKemist
MOVED: SILVER REACTION Borek 0 99 Last post October 29, 2009, 10:21:57 PM
by Borek
Ionic strength borate buffer Merrels 10 584 Last post October 27, 2009, 08:54:36 AM
by AWK
% Recovery of spiked Analyte >100%. Violation of Thermodynamic Law? Golden_4_Life 2 191 Last post October 27, 2009, 08:07:50 AM
by Golden_4_Life
Ion analysis - recording and observations CIE alevel 1 180 Last post October 26, 2009, 09:40:15 PM
by CIE alevel
GC problem of standard curve&quantity analysis MSKim 1 192 Last post October 26, 2009, 11:18:08 AM
by steven
urgent question KIM521 1 159 Last post October 25, 2009, 09:45:44 PM
by CIE alevel
just a question fatma 1 195 Last post October 25, 2009, 04:21:33 PM
by fatma
Do amine and ketone/aldehyde suppress signal in electrospray (ESI)? bstanley 1 193 Last post October 24, 2009, 07:40:31 AM
by MOTOBALL
First GC problems Synnr01 3 270 Last post October 24, 2009, 07:22:27 AM
by chiralic
conversion factor malteser16 3 215 Last post October 23, 2009, 11:59:17 PM
by Borek
titration of Potassium manganate(VII) with an ethanedioate? CIE alevel 6 322 Last post October 22, 2009, 12:52:37 AM
by CIE alevel
Back Titration of CaCO3 darkryder341 1 424 Last post October 21, 2009, 07:26:08 PM
by nj_bartel
Making 1000 ppm solution of Fluoride ion. mranonym 1 189 Last post October 21, 2009, 11:46:46 AM
by JGK
Analytical Application Help JGK 0 128 Last post October 21, 2009, 04:14:06 AM
by JGK
Varian Galaxie tnelson 5 2971 Last post October 20, 2009, 09:41:57 AM
by JGK
buffer solution problem sharon 2 251 Last post October 20, 2009, 05:00:44 AM
by diablo
Sensitivity in gascromatograph y jj74 3 303 Last post October 19, 2009, 07:16:36 PM
by jj74
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by ykprakash
Half wave potential problem adianadiadi 2 273 Last post October 19, 2009, 08:02:09 AM
by adianadiadi
Dissolving Ru for AAS dfodor 0 107 Last post October 19, 2009, 05:43:20 AM
by dfodor
calculating solubilties at a fixed pH Bacillus98 5 255 Last post October 16, 2009, 11:14:31 PM
by Borek
Concentration calculation: comparing gas phase and liquid phase?? sweet_question 5 396 Last post October 16, 2009, 05:27:34 AM
by JGK
how many moles of KMnO4 pipetted from the 250 cm3 graduated flask...? CIE alevel 5 267 Last post October 16, 2009, 04:28:32 AM
by DrCMS
Urea content darin 3 376 Last post October 14, 2009, 06:55:26 AM
by steven
Analytical chemistry practical titration (thiosulphate) CIE alevel 4 598 Last post October 14, 2009, 06:11:03 AM
by CIE alevel
determination of aluminum kyleasdfjkl 2 400 Last post October 12, 2009, 07:49:07 PM
by kyleasdfjkl
Absorption spectrophotometry- multiple point calibration formulations4me 0 201 Last post October 12, 2009, 05:41:23 AM
by formulations4me
Activity gobuckskb9 2 267 Last post October 11, 2009, 09:31:49 PM
by Borek
problem with Sulphide in organic matter analysis carnation 0 149 Last post October 11, 2009, 08:35:04 PM
by carnation
enzyme kinetic naj4279 1 216 Last post October 11, 2009, 12:09:31 PM
by Yggdrasil
How to calculate the number of moles of Fe2+ produced in the reaction? mark1950 6 421 Last post October 11, 2009, 04:22:13 AM
by Borek
The pAg in a titration Benzene21 4 292 Last post October 11, 2009, 12:23:28 AM
by Borek
Book of extensive pKa/pKb tables Dan 7 1072 Last post October 10, 2009, 12:15:57 PM
by daloy
HP-1 GC column vs. water dfodor 3 426 Last post October 10, 2009, 11:34:45 AM
by dfodor
Calibrated pH meters educateme 6 424 Last post October 09, 2009, 10:20:45 PM
by Borek
Standard ethanol solutions for a calibration curve chi 1 263 Last post October 09, 2009, 08:49:42 AM
by Borek
IR for boron-oxygen bonds cth 0 192 Last post October 09, 2009, 05:29:32 AM
by cth
ICP analysis of halogens patg 1 236 Last post October 08, 2009, 08:03:54 AM
by renge ishyo
Solubility Question..... or is it? MightyMan 21 849 Last post October 07, 2009, 06:02:10 PM
by inispree
i need some help balancing a hard equation chris 3 278 Last post October 07, 2009, 01:03:30 PM
by Borek
Conductivity measurement using Kohlrausch Law coolengineer 1 288 Last post October 06, 2009, 09:30:42 PM
by Borek
Magnetite Question Deafboy 1 230 Last post October 04, 2009, 08:55:21 PM
by Borek
Calculate Molarity from a given Ionic strength? Deafboy 2 280 Last post October 04, 2009, 11:56:00 AM
by Borek
How to detect Si(CH3)4? mist 1 339 Last post October 04, 2009, 05:58:51 AM
by marquis
M+3 peak in Mass Spectrometry interminable 4 362 Last post October 02, 2009, 02:13:55 PM
by MOTOBALL
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by marquis
problems with ICP and/or software rhb1 5 530 Last post September 29, 2009, 05:29:08 AM
by rhb1
cleaning glassware with toluene vs xlyene zim_lab 5 818 Last post September 29, 2009, 01:26:01 AM
by srochat
about HPLC, question calculate the conc. of unknow 111 3 760 Last post September 27, 2009, 08:56:14 AM
by marquis
Charge balance and the mass balance sheephung 4 535 Last post September 25, 2009, 06:39:56 AM
by sheephung
p-chloro-m-xylenol--has anyone ever tried to analyze a liquid sample for it? Golden_4_Life 2 297 Last post September 24, 2009, 08:09:56 AM
by Golden_4_Life
BOC in AAS analysis vlp2228 0 195 Last post September 21, 2009, 04:17:41 PM
by vlp2228
MOVED: Product Analysis/Development Wanted Borek 0 221 Last post September 21, 2009, 12:17:37 AM
by Borek
NeedHelpTimeSensitive: A/B Titration, pH, KHP HoffMan 1 394 Last post September 20, 2009, 11:10:36 AM
by Borek
Titration of KHP by NaOH, confidence limit of unknown KHP formulations4me 3 967 Last post September 20, 2009, 06:39:37 AM
by Fridushka
Isotope dilution, and quantification of LC-MS mooming 0 230 Last post September 19, 2009, 11:04:54 AM
by mooming
Breakage of chemical structure dastgir 0 187 Last post September 19, 2009, 04:56:10 AM
by dastgir
Extractions from blood serum Jaomski 1 356 Last post September 18, 2009, 11:21:53 AM
by Don Shelly
Low temperature DSC standards PolymerKnowHow 2 412 Last post September 17, 2009, 09:35:00 AM
by PolymerKnowHow
VARIAN GT -100 Nelo 3 492 Last post September 14, 2009, 01:51:47 PM
by marquis
spectrophotometric titration curves Butterfly 1 397 Last post September 14, 2009, 09:54:54 AM
by Borek
ppm and ppmv for gases in the atmosphere (catch my nooby mistake?) CopperSmurf 3 719 Last post September 13, 2009, 05:58:25 AM
by Borek
Solubility with taking protolysis under consideration plankk 3 355 Last post September 13, 2009, 05:54:55 AM
by Borek
electrothermale atomic absorption spectrometry ( ETAAS) , help me Nelo 0 310 Last post September 11, 2009, 10:47:45 AM
by Nelo
Recovery from SPE method missaturn 2 808 Last post September 10, 2009, 08:53:20 AM
by Don Shelly
Acetic acid and GC analysis mir 5 3241 Last post September 10, 2009, 08:48:12 AM
by Don Shelly
Enthalpy of hydration of copper sulfate fotofriends 1 616 Last post September 09, 2009, 10:53:17 PM
by Borek
Content Management System WebriQ 0 188 Last post September 09, 2009, 10:45:22 PM
by WebriQ
Mass Balance Equations FAC208aussie 0 360 Last post September 09, 2009, 06:30:19 PM
by FAC208aussie
analytical chemistry sheetalty 1 386 Last post September 08, 2009, 12:24:30 AM
by Borek
Electrolyte Conductivity. Gareth 2 558 Last post September 06, 2009, 10:01:54 PM
by hightlow
Separating excipient from actives for ID of pharmaceuticals AnalyticalPhill 4 579 Last post September 05, 2009, 05:04:44 AM
by AnalyticalPhill
need help desperately sharon 1 439 Last post August 30, 2009, 08:20:00 PM
by Johnny010
nmr spectra rjb641 2 491 Last post August 30, 2009, 08:11:11 PM
by Johnny010
Ascorbic Acid in cabbage and orange juice McCoy 2 645 Last post August 29, 2009, 09:47:48 PM
by Borek
ICP Trouble-shooting sisa.krele 1 520 Last post August 28, 2009, 05:05:02 PM
by Lorax
Which approach is correct? plankk 6 622 Last post August 28, 2009, 11:23:39 AM
by plankk
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by Borek
How to define or calculate the peak width of a flat-top peak? mingh 1 622 Last post August 23, 2009, 05:15:42 PM
by Golden_4_Life
Calculating pH after the equivalence point UG 5 911 Last post August 21, 2009, 10:11:05 PM
by UG
Why Calcium Hydroxide must be prepared early? User1234 2 606 Last post August 20, 2009, 08:55:29 AM
by renge ishyo
Reagents that are all clumped or formed a hard ball? labrat356 1 450 Last post August 20, 2009, 08:42:56 AM
by Johnny010
pH deionized water tchristides 2 1407 Last post August 20, 2009, 01:32:03 AM
by Johnny010
Myoglobin and beta-lactoglobulin hahahanna 0 427 Last post August 18, 2009, 12:09:18 PM
by hahahanna
assay on anydrous basis and assay on dried basis garima 1 638 Last post August 17, 2009, 03:06:59 PM
by JGK
How to measure concentration of Fe2+ and Fe3+ s4kho 1 655 Last post August 17, 2009, 11:30:39 AM
by Borek
Ascorbate and Polypropylene HPLC vial interactions? ChrisMasterjohn 1 494 Last post August 16, 2009, 09:05:06 AM
by marquis
College level ICP experiments kinat 7 820 Last post August 16, 2009, 08:52:16 AM
by marquis
Where do you buy your chemicals? ArchStanton 0 351 Last post August 16, 2009, 06:56:45 AM
by ArchStanton
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by stillton
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by Edward
Flow Injection Analysis FIA zeoblade 2 492 Last post August 15, 2009, 10:19:08 PM
by zeoblade
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by renge ishyo
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by ToxLabRat
Procedure for analysing Dioxin, PCB like dioxin, PCDD, PCDF... in sample braveking 3 706 Last post August 13, 2009, 01:40:05 PM
by JGK
Iron Determination by KMNO4 titration psyche115 2 2042 Last post August 11, 2009, 06:37:31 AM
by Borek
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by tozlj525
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by HouseMD
I need help with the following questions... Einadin 7 653 Last post August 10, 2009, 03:43:08 AM
by Einadin
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by billnotgatez
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by zxt
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by JGK
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by zxt
Analytical Pre-concentration/extraction Luca 1 481 Last post August 06, 2009, 09:30:48 AM
by Mansouri
standard chemicals for UV spectrometer- very emergency! braveking 3 823 Last post August 05, 2009, 08:34:41 AM
by Mansouri
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by Signifier
to identify sodium nitrite malteser16 4 888 Last post August 02, 2009, 08:59:36 AM
by sjb
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by Mansouri
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by Mansouri
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by nicola hatliff
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by uhlan1
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by nisha1
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by martyn11post
How is the following expression for E_eq derived in this redox titration? cncbmb 2 597 Last post July 20, 2009, 06:22:47 PM
by cncbmb
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by Borek
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by marquis
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by Borek
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by Borek
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by bblue
Neat standard Curve toxman 1 609 Last post July 17, 2009, 01:12:23 PM
by Lorax
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by Lorax
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by cncbmb
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by Fleaker
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by Fleaker
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by cncbmb
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by AWK
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by DocDingwall
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by just_in
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by analytical
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by marquis
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by Borek
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by missaturn
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by jcjlf
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by marquis
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by Borek
Sampling technique. o0CY0o 3 1249 Last post July 01, 2009, 12:20:00 PM
by kilroy
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by marquis
GRE chemistry subject question kimxx972 3 972 Last post June 28, 2009, 05:10:47 AM
by kimxx972
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by kevins
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by vhpk
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by Borek
TGA... bblue 0 473 Last post June 24, 2009, 10:10:53 AM
by bblue
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by Borek
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by Borek
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by Borek
Real Gases *delete me* Gweedo8 1 612 Last post June 18, 2009, 09:40:59 AM
by Borek
MOVED: Why does it say *Delete ME* every time I post a question? Borek 0 443 Last post June 18, 2009, 09:39:39 AM
by Borek
SOLUBILITY!! bblue 17 1498 Last post June 18, 2009, 04:44:11 AM
by killer120
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by azmanam
Strong-Base Titration of Mixed Strong Monoprotic and Weak Polyprotic acids!! bblue 1 1046 Last post June 13, 2009, 10:42:53 PM
by Borek
UV Spec Iron calibration curves tchristides 0 467 Last post June 13, 2009, 11:55:08 AM
by tchristides
How to find out the amount of catechins there is in green tea? ctyemilyxx 1 645 Last post June 13, 2009, 08:15:04 AM
by MOTOBALL
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by Borek
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by AWK
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by bamster
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by Borek
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by wpenrose
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by Borek
how to mak 0.067 M phosphate buffer mehc 7 2031 Last post June 05, 2009, 06:04:11 AM
by mehc
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by mattfred
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by arctic-cube
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by Borek
MOVED: New web of methods of analysis Borek 0 519 Last post June 02, 2009, 11:39:58 PM
by Borek
Solubility -- Diverse Ion Effect bblue 3 929 Last post June 01, 2009, 09:25:53 AM
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EPA methods on cyanide detection rick112 1 828 Last post June 01, 2009, 02:18:23 AM
by el13
CALCULATING MASS THAT WILL DISSOLVE IN 100 mL OF WATER!! bblue 3 1092 Last post May 31, 2009, 04:04:37 PM
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by marquis
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by Borek
Quest for a chemical/substance... PurplePixiePia 0 526 Last post May 27, 2009, 11:12:43 AM
by PurplePixiePia
Dimercaprol sven21 0 468 Last post May 27, 2009, 06:39:59 AM
by sven21
volumetric glass commensurability (?) Borek 5 1022 Last post May 27, 2009, 03:54:48 AM
by Train
l-ascorbic acid versus dl-ascorbic acid squeeky 1 878 Last post May 26, 2009, 06:32:21 PM
by nj_bartel
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by David from Charleston
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by JGK
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by gilly
titration site Borek 5 1455 Last post May 21, 2009, 07:27:45 PM
by NP1957
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by tchristides
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by hande
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by ARGOS++
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by Borek
finding litres from change in pH? kaynable 2 791 Last post May 19, 2009, 05:24:46 PM
by kaynable
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how can I find the amount of oxygen in a compound? treelove 8 1111 Last post May 17, 2009, 10:34:56 AM
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by o0CY0o
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by ARGOS++
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by ceres
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by rita87
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by agro
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by nv198
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by sven21
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by Fleaker
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by brakke007
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analysis for kaolin and pectin diniarti 1 650 Last post September 25, 2008, 09:08:12 AM
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about ionization missaturn 0 407 Last post September 24, 2008, 06:33:25 PM
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by kevins
Calculating total ionic strength? Doubleoblivious 3 2077 Last post September 19, 2008, 01:01:00 AM
by Doubleoblivious
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Mass spectrometers prices, important parameters? diablo 2 1759 Last post September 15, 2008, 10:11:02 PM
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