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why is the peak area of standard decreasing?
by moonchips » Mon Feb 11, 2008 2:32 pm
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41
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12674
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Last post by unmgvar
Wed Feb 20, 2008 10:23 pm
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Shape selectivity w C30 columns
by adam » Mon Feb 11, 2008 10:27 pm
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4
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2442
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Last post by Kostas Petritis
Tue Feb 19, 2008 6:13 pm
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urea for cleaning hplc system for protein analysis?
by car66 » Mon Feb 18, 2008 6:25 pm
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3
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3321
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Last post by HW Mueller
Tue Feb 19, 2008 10:43 am
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HPLC high back pressure problem from newbie
by car66 » Fri Feb 15, 2008 1:10 am
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6
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4198
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Last post by Hugh
Mon Feb 18, 2008 7:49 pm
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bring to volume mark before or after ultrasonication?
by moonchips » Fri Feb 15, 2008 9:56 pm
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3
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4075
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Last post by DR
Mon Feb 18, 2008 1:57 pm
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Mysterious Ghost Peak
by max_planck » Sun Feb 17, 2008 8:23 pm
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3
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1772
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Last post by AdrianF
Mon Feb 18, 2008 12:09 pm
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High/Low Assay
by HUH? » Fri Feb 15, 2008 6:08 pm
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3
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1807
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Last post by Veronika R. Meyer
Sat Feb 16, 2008 8:20 pm
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Artificial Sweat
by LC101 » Fri Feb 08, 2008 6:43 pm
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6
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2181
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Last post by Kostas Petritis
Sat Feb 16, 2008 2:37 am
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pore diameter and molecule size
by sergioanis » Wed Feb 13, 2008 1:42 pm
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6
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2189
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Last post by Kostas Petritis
Sat Feb 16, 2008 2:13 am
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Lamps on or off
by stanlee » Fri Feb 15, 2008 3:54 pm
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2
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1656
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Last post by rhaefe
Fri Feb 15, 2008 10:54 pm
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Grace Vydac RP-HPLC Column
by ckp11677 » Fri Feb 15, 2008 11:54 am
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1
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1650
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Last post by tom jupille
Fri Feb 15, 2008 6:31 pm
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why the lactone tailing
by ym3142 » Fri Feb 15, 2008 2:24 am
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3
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1733
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Last post by ym3142
Fri Feb 15, 2008 4:37 pm
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Regarding potency of drug
by pankajcops » Thu Feb 14, 2008 6:27 am
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2
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1764
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Last post by pankajcops
Fri Feb 15, 2008 4:57 am
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Assay calculation for lyo product
by domino1 » Thu Jan 24, 2008 7:17 pm
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4
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2230
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Last post by markreyes
Thu Feb 14, 2008 11:15 pm
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Polymeric Normal Phase Column
by adam » Wed Feb 13, 2008 8:50 pm
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1
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1692
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Last post by Bryan Evans
Thu Feb 14, 2008 9:49 pm
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Calculate mass balance
by mojo » Thu Feb 14, 2008 7:23 pm
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1
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2414
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Last post by Bruce Hamilton
Thu Feb 14, 2008 8:31 pm
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Dionex ICS 3000 sampler needle port tube assembly wanted !!!
by colin stone » Thu Feb 14, 2008 2:35 pm
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0
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1651
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Last post by colin stone
Thu Feb 14, 2008 2:35 pm
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Problematic separation
by Jackus » Wed Jan 30, 2008 3:58 pm
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41
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6934
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Last post by Jackus
Thu Feb 14, 2008 9:33 am
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Air Bubbles in Dionex Injector
by max_planck » Mon Feb 04, 2008 7:28 pm
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5
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4827
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Last post by Hfranz
Thu Feb 14, 2008 8:06 am
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effect of acetonitrile or methanol on analyte response
by olivia » Fri Jan 04, 2008 1:26 am
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36
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8951
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Last post by Tomasz
Wed Feb 13, 2008 12:09 pm
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Gilson prep HPLC
by Jim T » Wed Feb 06, 2008 12:35 pm
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1
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2178
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Last post by attica
Wed Feb 13, 2008 9:30 am
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Instrumental LOQ or LOQ of the method?
by moonchips » Tue Feb 12, 2008 8:42 pm
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1
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1704
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Last post by tom jupille
Wed Feb 13, 2008 6:41 am
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Integration methods
by lmatthe » Mon Feb 11, 2008 9:36 pm
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3
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1883
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Last post by tom jupille
Wed Feb 13, 2008 6:33 am
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article on chromatography services
by angelodp » Wed Feb 13, 2008 5:12 am
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0
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1598
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Last post by angelodp
Wed Feb 13, 2008 5:12 am
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nitrogen blowdown systems?
by matthew » Fri Feb 08, 2008 7:21 pm
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6
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2821
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Last post by matthew
Tue Feb 12, 2008 5:50 pm
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DMSO
by mojo » Wed Jan 30, 2008 10:43 am
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8
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3011
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Last post by JGK
Tue Feb 12, 2008 1:13 pm
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tetracycline oxidation-product separation
by jawad » Tue Feb 12, 2008 10:36 am
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0
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1552
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Last post by jawad
Tue Feb 12, 2008 10:36 am
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Carbamate Analysis
by whoami » Mon Feb 11, 2008 10:00 pm
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0
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1753
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Last post by whoami
Mon Feb 11, 2008 10:00 pm
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Agilent prodedure for Amino Acid Analysis
by IsotopeC14 » Fri Feb 01, 2008 6:09 pm
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3
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2628
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Last post by johnwhendersonjr
Mon Feb 11, 2008 5:55 pm
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Imp quantification
by Serpico » Sun Feb 10, 2008 7:38 pm
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1
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1699
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Last post by Rob Burgess
Mon Feb 11, 2008 5:36 pm
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removing/avoiding dissolved silica when extractingTLC plates
by PaulD » Fri Feb 08, 2008 11:53 pm
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5
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3194
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Last post by HW Mueller
Mon Feb 11, 2008 10:55 am
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Oligopeptide analysis - poor sensitivity.
by Jam » Thu Feb 07, 2008 12:25 pm
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8
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2844
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Last post by Jam
Mon Feb 11, 2008 10:15 am
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separation in phenyl acetic acid & fluorophenyl acetic a
by praveenpaliwal » Sat Feb 09, 2008 7:50 pm
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4
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2495
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Last post by Uwe Neue
Mon Feb 11, 2008 12:54 am
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Separation of diastereomers
by kaha37 » Wed Jan 23, 2008 4:53 pm
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8
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10199
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Last post by adam
Sun Feb 10, 2008 11:34 pm
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Sample Infusion Instead of Injection
by DSV » Mon Feb 04, 2008 10:24 am
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3
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2420
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Last post by Hollow
Thu Feb 07, 2008 7:13 pm
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Changing retention times
by Merrin » Wed Feb 06, 2008 12:20 am
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2
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2330
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Last post by Bryan Evans
Wed Feb 06, 2008 11:03 pm
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PPT HPLC training
by mardexis » Wed Jan 30, 2008 6:02 pm
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2
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3774
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Last post by IC_Gal
Wed Feb 06, 2008 9:39 pm
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pH stability of Daicel chiral stationary phases
by lupetto » Wed Feb 06, 2008 11:22 am
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0
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1780
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Last post by lupetto
Wed Feb 06, 2008 11:22 am
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Separation of 2 cpds with only a hydrogen bond difference
by Albert Roy J » Fri Feb 01, 2008 5:19 pm
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11
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2882
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Last post by oscarBAL
Tue Feb 05, 2008 7:40 pm
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pressure build up over time
by sunnysideup » Sat Feb 02, 2008 12:58 am
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8
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2672
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Last post by moino
Tue Feb 05, 2008 3:19 pm
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Cetylpyridinium Chloride separation
by cpctester » Mon Feb 04, 2008 10:28 pm
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0
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1706
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Last post by cpctester
Mon Feb 04, 2008 10:28 pm
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FMOC-CI
by ebruu » Fri Jan 25, 2008 5:36 pm
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8
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2808
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Last post by sassman
Mon Feb 04, 2008 7:19 pm
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HPLC buffers between pH 7 and 8
by Svante » Mon Jan 28, 2008 11:57 am
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13
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9547
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Last post by grrr_aham
Mon Feb 04, 2008 2:52 pm
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standard detector cells
by olivia » Mon Feb 04, 2008 12:10 pm
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1
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1882
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Last post by shaun78
Mon Feb 04, 2008 12:17 pm
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nagetive peak in USP method
by zhengmin » Fri Feb 01, 2008 8:16 am
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5
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2307
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Last post by danko
Sun Feb 03, 2008 10:57 pm
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pseudo reversed phase versus hilic
by olivia » Thu Jan 31, 2008 7:21 pm
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1
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1942
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Last post by tom jupille
Sat Feb 02, 2008 5:57 am
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Accepted naming convention - > LC with sub 2 micron parti
by Rob Burgess » Thu Jan 31, 2008 1:55 pm
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2
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1801
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Last post by tom jupille
Sat Feb 02, 2008 5:49 am
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Peak area variations, part 2
by albragi » Thu Jan 24, 2008 5:33 pm
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5
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2176
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Last post by ym3142
Sat Feb 02, 2008 4:03 am
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relationship between area count and retention time
by ym3142 » Thu Jan 31, 2008 11:53 pm
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1
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1505
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Last post by danko
Fri Feb 01, 2008 10:42 pm
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Validation of a chromatographyc method
by Anna Arag » Thu Jan 31, 2008 11:53 am
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5
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2043
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Last post by Anna Arag
Fri Feb 01, 2008 12:56 pm
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