Hand Calculating Concentration
by cjm » Wed May 18, 2022 3:45 pm
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2
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2334
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Last post by rb6banjo
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Your favorite UPS setup for GC-MS?
by LALman » Wed May 04, 2022 8:47 pm
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7
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3851
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Last post by Multidimensional
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Stopping MassHunter from returning to initial conditions
by wss » Tue Mar 08, 2022 9:12 pm
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4
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3163
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Last post by lmh
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N2 for GC-MS "Rest" Gas
by benhutcherson » Sun May 05, 2019 3:59 pm
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31
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10902
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Last post by LALman
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Data Analyses @MassHunter Quantitative Software
by SN1985 » Sun Apr 24, 2022 7:52 pm
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2
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2721
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Waters MRM Integration Mass Lynx 4.1
by s.bayanus » Tue Apr 19, 2022 5:31 pm
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1
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2308
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Last post by per_oxid
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5975/7890A/ OI4470 flow issues
by 01310040231 » Mon Apr 04, 2022 6:52 pm
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4
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2743
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Last post by 01310040231
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Same mass, different retention time. Isomers?
by mcg_2022 » Mon Apr 11, 2022 1:00 am
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2
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3920
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Identifying unknown compounds in LC-Q-TOF spectra
by wss » Fri Sep 17, 2021 3:52 am
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1
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5680
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Last post by antonio_rosato
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Dual detector GCMS and FID
by p.dupuis » Tue Mar 22, 2022 4:23 pm
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2
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2674
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Last post by p.dupuis
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8260 high B.P. non linearity and R.T. locking question.
by LALman » Thu Mar 03, 2022 10:15 pm
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5
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3054
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Last post by LALman
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What LCMS system changes warrant test method re-validation?
by vickig » Thu Mar 24, 2022 8:43 pm
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0
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2763
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Last post by vickig
Thu Mar 24, 2022 8:43 pm
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handover clean of new lab facility
by Peggsy » Fri Mar 11, 2022 3:03 am
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2
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2699
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Last post by Peggsy
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GCMS Cost
by Faray » Mon Mar 14, 2022 6:47 am
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3
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2694
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Last post by James_Ball
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AGILENT GC 6890/MSD 5973 with broken hard drive PC
by TchankoPharm » Mon Sep 20, 2021 4:32 am
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14
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6055
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Last post by KM-USA
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Varian 1200 connection question
by lkohl17 » Fri May 19, 2017 9:15 pm
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1
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4921
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Last post by hayem
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Varian 450GC-300MS installation
by hayem » Thu Mar 03, 2022 6:39 am
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0
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2643
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Last post by hayem
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Grob Test Mixture reproducibility
by agao123 » Wed Mar 02, 2022 6:25 am
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2
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2583
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Last post by Steve Reimer
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How to clean an Agilent GCMS Ion Source: A comprehensive gui
by 01310040231 » Sat Jan 15, 2022 12:32 am
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1
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3097
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Last post by agao123
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Poor peak shape/Low peak area in PAH standard
by stdev » Sun Feb 27, 2022 11:10 am
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2
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2479
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Agilent 5973 firmware upgrade
by paolo.canu@unipd.it » Mon Feb 21, 2022 10:34 pm
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3
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2831
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Last post by paolo.canu@unipd.it
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Persistent carry over peaks on UHPLC-MSMS
by Ken99 » Fri Dec 22, 2017 11:52 am
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7
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6756
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Last post by stdev
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2 dimensional GCxGC peak broadening/wrap arround
by agao123 » Sun Feb 13, 2022 9:00 pm
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1
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2352
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A few quesions about GC-MS
by agao123 » Tue Feb 15, 2022 9:38 pm
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1
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2309
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HPLC MS - Agilent or Shimadzu?
by KevinBe » Wed Feb 09, 2022 8:54 am
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11
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4165
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Large Air Leak Agilent 6890 GC/MSD
by SLT » Wed Dec 01, 2021 10:07 pm
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5
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3550
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PAH analyisis GCMS
by CrisTheChemist » Fri Apr 30, 2021 1:21 pm
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5
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5079
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Last post by Peter Apps
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GC/MS fluctuations, normalization, comparability of data
by ChrisT » Sun Jul 25, 2021 11:55 am
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7
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5347
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Last post by MichaelVW
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Contamination ions encountered in LC/MS
by JMB » Thu Jan 06, 2022 8:47 pm
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0
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2769
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Last post by JMB
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(Mass labeled) PFAS standards
by BMU_VMW » Tue Jan 04, 2022 1:13 pm
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3
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2826
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Last post by BMU_VMW
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5973: random Peaks of mass 40 & 44
by LALman » Mon Nov 15, 2021 9:38 pm
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10
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5788
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Last post by James_Ball
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Shutting down Agilent 597x overnight
by wss » Fri Nov 26, 2021 8:06 pm
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3
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7358
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No ion ratios with Agilent 6430 LCMS
by TOXITSO » Fri Dec 10, 2021 11:13 pm
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2
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3108
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Last post by TOXITSO
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Integrate individual components of a co-eluted peak?
by JMAC_1986 » Sat Dec 11, 2021 1:55 pm
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3
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2795
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Last post by lmh
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Variable peak areas from a Varian 3800/2000 GC/MS
by johnelling » Tue Dec 07, 2021 5:45 pm
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0
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3123
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Last post by johnelling
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Baking Column
by SBEricD » Fri Nov 26, 2021 10:12 pm
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1
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3073
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Agilent 1100 MSD Trap SL - Vacuum Issue
by wss » Tue Nov 03, 2020 9:54 pm
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14
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6715
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Baseline disturbances in the TIC
by jpetri79 » Mon Nov 22, 2021 8:20 pm
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1
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3280
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Agilent 6490A LC/MS/MS QQQ for PFAS
by AIM » Fri Nov 12, 2021 10:31 pm
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2
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3411
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Problem with GCMS 7890B-5977A
by thuy » Fri Nov 05, 2021 1:43 am
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3
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3339
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How to clean difficult stain in LC-MS/MS Cone?
by biotechno » Thu Nov 04, 2021 10:50 am
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5
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3628
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Robust, Reproducible, and Quantitative Analysis of Thousands
by CF - David Hills » Tue Nov 09, 2021 11:00 am
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0
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3610
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Last post by CF - David Hills
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Dibutyltin oxide ,n-butyltin trichloride,TNPP in LC MSMS ESI
by Ozkan87 » Sat Nov 06, 2021 6:59 am
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2
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3228
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Last post by Ozkan87
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MS/MS - why multiple TICs?
by sbashkyrtsev » Fri Oct 29, 2021 9:48 am
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3
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3330
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Last post by lmh
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8260 SIM Bromomethane Background
by gpronger » Wed Oct 06, 2021 4:07 pm
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4
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3429
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Last post by gpronger
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Scheduled tuning of LCMS
by fkooy1 » Wed Sep 29, 2021 5:59 am
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5
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4125
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Shimadzu QP2010SE problem (solved)
by hcs » Wed Oct 13, 2021 4:47 pm
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0
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3471
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Last post by hcs
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Icp-ms nylon tubing for argon
by dlntx9 » Sat Oct 09, 2021 6:02 pm
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1
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3588
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Last post by James_Ball
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GC-MS calibration error - HELP NEEDED!!!
by heman22021987 » Wed Oct 06, 2021 2:29 pm
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0
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3487
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Last post by heman22021987
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Response factor decreasing in time
by Franofi » Wed Sep 22, 2021 4:46 pm
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6
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3419
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Last post by lmh
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