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determination of alfacalcidol by liquid chromatography
by Dunia Salameh » Tue Jun 22, 2021 7:02 am
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1
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2746
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Last post by TylerSmith123
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Inverse (negative) Signal from 1100 HPLC VWD
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4
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5299
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Last post by raf2743
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Telmisartan + Amlodipine USP Impurities
by lismc » Thu Jun 17, 2021 1:32 pm
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1
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2633
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HPLC degasser issue
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20
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10699
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RT shifts Waters UPLC-PDA
by neitz » Thu Jun 10, 2021 8:20 pm
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2
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3667
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Decimal places in linear gradient
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4
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3286
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Proteomics with Waters Micromass Micro
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0
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2834
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Water Acquity PDA calibration issue
by tsoukalas » Tue Mar 16, 2021 8:52 am
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8
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7868
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Looking for a Manual for Shimadzu LC-10AD Pump
by Vlad Orlovsky » Wed May 26, 2021 9:40 pm
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1
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3166
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Separation of poistional isomers 2,4,5-Trifluorophenyl aceti
by praveenpaliwal » Mon May 03, 2021 2:13 pm
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4
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3781
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LC contamination
by cmf09 » Sat May 22, 2021 2:59 pm
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5
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4163
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Waters QSM degasser not holding vacuum
by loltim » Mon May 03, 2021 9:30 am
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5
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5014
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Guard column with unmatched specs
by akhst7 » Fri May 07, 2021 5:26 pm
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4
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3082
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interaction between C18 stationary phase with HPMC and PVP?
by NCCHEMGEEK » Wed Apr 28, 2021 7:33 pm
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1
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3046
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Analysis of ergocalciferol (vitamin D2) in energy drinks
by Ascorbic acid » Mon Apr 12, 2021 7:33 am
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3
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3429
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Influence of mobile phase changes on pump life
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9
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5110
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Agilent 1100 VWD UV lamp fail to ignite
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12
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12559
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Potential HPLC vial contamination
by sisay » Wed Mar 31, 2021 1:12 am
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3
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4241
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Last post by lmh
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Diluent pH for Peptide analysis
by mohsen8189 » Wed Apr 07, 2021 4:35 pm
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10
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3699
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Last post by Andy Alpert
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Anyone have old Empower training books they no longer need?
by EmpowersBane » Fri Apr 09, 2021 3:30 pm
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0
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3547
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Last post by EmpowersBane
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Alternative to exit end fitting with integrated connector
by akhst7 » Sat Apr 03, 2021 12:44 am
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1
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3170
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Last post by TylerSmith123
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In-Line Mobile Phase "polishing"
by moser » Wed Mar 17, 2021 7:14 pm
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8
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3872
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Last post by moser
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2487 on empower 3 wavelength discrepancy
by pwm » Tue Mar 30, 2021 12:20 pm
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0
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3656
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Last post by pwm
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Flushing Column Only Temporary Fix on Peak Tailing
by hocuspocuslc-ms » Fri Mar 19, 2021 12:56 pm
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2
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3317
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Last post by Multidimensional
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Purchasing the right Nano LC
by tadah » Fri Mar 19, 2021 9:43 pm
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1
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3248
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Last post by Multidimensional
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Specificity of impurities under reporting threshold in MV
by SG Lee » Tue Mar 23, 2021 8:06 am
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0
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3779
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Last post by SG Lee
Tue Mar 23, 2021 8:06 am
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Empower Peak Purity and Absorbance
by Cornpoodle » Fri Mar 19, 2021 4:57 pm
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3
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5638
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Calculation of column efficiency, gradient method
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6
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4844
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LOD and LOQ
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4
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4818
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Last post by ljacquet
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What is the correct data processing method?
by Pear » Mon Mar 15, 2021 11:02 pm
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3
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3420
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Air Bubbles in LC-20ADXr LPGU Tubing
by tiktaalik54 » Mon Mar 15, 2021 7:22 pm
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3
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3307
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Last post by tiktaalik54
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System High Pressure with respect to gradient change
by rycar » Wed Jan 27, 2021 6:08 pm
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10
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5426
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sodium dodecyl sulfate in mobile phase
by Mouleyre » Thu Mar 11, 2021 11:17 am
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6
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4784
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Last post by Vlad Orlovsky
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Implementing RF Values vs ''impurity vs impurity''
by Mouleyre » Thu Mar 04, 2021 12:22 pm
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1
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3493
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Last post by vmu
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Why does the solvent front often have a sinusoidal shape?
by cjohnson9500 » Fri Mar 05, 2021 4:25 pm
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2
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6805
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Last post by TylerSmith123
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Column C18 with a 50:50 hexane and dichloromethane
by Pieri07 » Wed Mar 10, 2021 6:34 pm
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1
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5463
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Varian prostar 410 manual
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16
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22388
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Shimadzu SIL-10A leaking injection port
by eg@aaclab » Thu Mar 04, 2021 6:44 pm
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1
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4190
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4-Aminophenol/Erythrosine Dye interaction?
by akitching » Tue Mar 09, 2021 7:52 am
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0
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3624
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Last post by akitching
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Impurities in DS and DP
by Kina83 » Mon Mar 01, 2021 7:46 pm
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4
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3453
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Qualitative Reference Standards - Assigning a re-test date
by Mouleyre » Tue Mar 02, 2021 11:23 am
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1
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3101
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Ciprofloxacin HPLC/FLU detection
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2
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3138
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increasing baselinewidth
by vivipoli » Sat Feb 27, 2021 9:17 am
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0
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3602
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Last post by vivipoli
Sat Feb 27, 2021 9:17 am
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Compound isolation
by Phytochem » Mon Jan 11, 2021 9:30 am
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8
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4306
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Specificity - How to Improve it
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9
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3785
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Teledyne Combiflash RF200 - Service Password?
by clarkstill » Tue Feb 23, 2021 9:12 pm
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0
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3598
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Sucrose peak splitting, HPLC-RI
by chemist23 » Mon Feb 15, 2021 3:35 pm
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2
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3825
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Last post by Multidimensional
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Is it possible to use HPLC for Erythromycin tablet assay?
by ultima_86 » Sat Feb 13, 2021 11:48 pm
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0
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3678
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Last post by ultima_86
Sat Feb 13, 2021 11:48 pm
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Fusion Modelling Software
by adam » Wed Feb 10, 2021 12:31 am
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0
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3616
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Last post by adam
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surprising impact of temperature on N
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5
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4013
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Sun Feb 07, 2021 12:12 pm
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