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必威体育登录手机propylene oxide impurities were analyzed with low method-detection limit, good resolution, sample recovery, and repeatability using Agilent J&W PoraBOND U.
Released: 19 Sep 2014
Released: 19 Sep 2014
必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND U column separates hydrochloric acid and water in less than seven minutes, withstanding repeated injections of HCl very well.
| Publication Part Number | A01601 | ||||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND U column separates methyl chloride and dimethyl ether impurities in methanol in less than eight minutes.
| Publication Part Number | A01589 | |||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND Q column separates hydrogen chloride and sulfuryl chloride in less than five minutes.
| Publication Part Number | A01427 | |||
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PoraBOND-Q - elution "upper limit"
PoraBOND-Q - elution "upper limit"
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必威体育登录手机Dear Agilent, We consider too use a PLOTPoraBOND-Q (25 m x 320 um x 5 um) for separation of "gasoline like" hydrocarbons (C1-C8+) mixed with light oxygenates (C1-C4 alcohols, C1-C3 ethers) in gas phase samples.We don`t expect or need full separation of all components injected.What are the "upper limits" for thisPoraBOND-Q column regarding components?Are aromatics C6-C10, up to naphthalene, expected to elute onPoraBOND-Q?
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GC - Hydrocarbon Analyses and Hydrocarbon Properties
GC - Hydrocarbon Analyses and Hydrocarbon Properties
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COLUMNS FOR HYDROCARBON ANALYSIS PROS AND CONS Column Remark T max [°C] Aluminium Oxide Detailed information about C 1 -C 5 !Only hydrocarbons, no polars!Very sensitive for water 200 CarboBOND Impurities in C 2 stream!Only separation between CO and air if air concentration is not to high!No separation between N 2 and O 2 .200/300 (bake out) CarboPLOT P7 Analysis of CO and CO 2 !Separation of O 2 and N 2 !Not sensitive for water 115 Molsieve 5 A Permanent gasses!Very sensitive for water and CO 2 350PoraBONDQ Not very selective for hydrocarbons!Advised for various solvents and CO 2 320/320 PoraPLOT Q-HT, HPPLOT Q Not very selective for hydrocarbons!Advised for various solvents and CO 2 290/290 PoraPLOT Q/S Not very selective for hydrocarbons!Advised for various solvents and CO 2 250/250 PoraPLOT U, HPPLOT U Not very selective for hydrocarbons!Advised for various solvents and CO 2 190/190 CP-Sil 2 CB Detailed information about C 5 -C 9 !More stable in comparison with squalane 200/200 CP-Sil PONA CB, HP-PONA Detailed information about C 5 -C 9 250/275 SilicaPLOT/GasPro Detailed information about C 1 -C 4 (less selective as Al 2 O 3 )!Not sensitive for water!Very suitable for sulfer components and halogenated components 225/225 Squalane Detailed information about C 5 -C 9 !Only advise if the customer doesn't want to use CP-Sil 2 CB or CP-Sil PONA CB 90/95
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Column select for permanent gases / CO2
Column select for permanent gases / CO2
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必威体育登录手机We have put in service a 'select permanent gases /CO2 plot GC column' from Agilent Here is the description of this special column "S elect Permanent Gases/CO2 is a set of two parallel columns that combines CP-Molsieve 5Å for permanent gas analysis and CP-PoraBONDQ for CO2 analysis.Column dimensions meet the need for fast separation, lowest level analysis, and quantification of argon/oxygen.
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GC and GC/MS Columns - USP Designations
GC and GC/MS Columns - USP Designations
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Cross-linked with a diepoxide linker and esterified with terephthalic acid CP-Wax 58 (FFAP) CB CP-FFAP CB DB-FFAP HP-FFAP Carbowax 20M-TPA G26 25 % 2-cyanoethyl-75 % methylpolysiloxane XE-60 (globally no longer available) G27 5 % Phenyl-95 % methylpolysiloxane DB-5ms Ultra Inert HP-5ms Ultra Inert VF-5ms VF-5ht DB-5ms HP-5ms CP-Sil 8 CB Low Bleed/MS DB-5 HP-5 CP-Sil 8 CB DB-5ht Silicone SE-52 Silicone SE-54 Silicone OV-73 G28 25 % Phenyl-75 % methylpolysiloxane Silicone DC-550 G29 3,3'-Thiodipropionitrile, TDPN Thiodipropionitrile G30 Tetraethylene glycol dimethyl ether Tetraethylene glycol dimethyl ether G31 Nonylphenoxypoly(ethyleneoxy)ethanol (average ethyleneoxy chain length is 30) Nonoxynol 30 Igepal CO-880 G32 20 % Phenyl methyl-80 % dimethyl polysiloxane Silicone OV-7 G33 20 % Carborane-80 % dimethylpolysiloxane Dexsil 300GC G34 Diethylene glycol succinate polyester stabilized with phosphoric acid DEGS-PS Hi-EFF-1BP + H3PO4 (10 : 1) DEGS + H3PO4 (10:1) G35 Polyethyleneglycol cross-linked with a diepoxide linker and esterified with nitroterephthalic acid CP-Wax 58 (FFAP) CB CP-FFAP CB DB-FFAP HP-FFAP Carbowax 20M-TPA FFAP SP-1000 G36 1 % Vinyl-5 % phenyl methylpolysiloxane VF-5ms VF-5ht CP-Sil 8 CB DB-5 DB-5ht HP-5ms HP-5 Silicone SE-52 Silicone SE-54 Silicone OV-73 G37 Polyimide Poly I-110 G38 Phase G1 containing a small percentage of a tailing inhibitor Silicone OV-101 + 0.1 % Carbowax 1500 G39 Polyethyleneglycol (average molecular weight 1500) Carbowax 1500 G40 Ethylene Glycol Adipate Hi-EFF-2AP G41 Phenyl methyl dimethylpolysiloxane (10 % phenyl substitution) Silicone OV-3 G42 35 % Phenyl-65 % methylpolysiloxane DB-35ms Ultra Inert VF-35ms DB-35ms DB-35 HP-35 Silicone OV-11 G43 6 % Cyanopropyl phenyl-94 % dimethylpolysiloxane DB-624UI DB Select 624 for USP VF-624ms VF-1301ms CP-1301 CP-Select 624 CB DB-624 DB-1301 Silicone OV-1301 G44 2 % Low Molecular Weight Petrolatum Hydrocarbon Grease and 1 % solution of potassium hydroxide Apiezon L + 1 % KOH G45 Divinylbenzene-ethylene glycol dimethacrylate CP-PoraBONDU CP-PoraPLOT U HP-PLOT U HayeSep A HayeSep N G46 14 % Cyanopropyl phenyl-86 % methylpolysiloxane VF-1701ms CP-Sil 19 CB DB-1701 Silicone OV-1701 G47 Polyethyleneglycol (average molecular weight 8000) Carbowax 8000 G48 Highly Polar, partially Cross-Linked Cyanopropylpolysiloxane VF-23ms DB-23 G49 Dimethylpolysiloxane with chiral building block containing D- or L-valine as chiral agent (for amino acids).
Monitoring oxygenates in mixed C4 streams is very important in propylene production.
| Publication Part Number | 5991-1549EN | |||
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必威体育登录手机Gas chromatography using an Agilent J&W PoraBOND Q column separates 33 solvents in 30 minutes.
| Publication Part Number | A01624 | |||
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必威体育登录手机GC separation of propanal from propylene oxide is achieved in eight minutes using an Agilent J&W PoraBOND U column.
| Publication Part Number | A02049 | |||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND Q column separates 13 trace C1 to C3 hydrocarbon solvents in drinking water in 11 minutes.
| Publication Part Number | A01423 | ||||
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必威体育登录手机Gas chromatography using splitless injection with an Agilent J&W PoraBOND Q column separates 17 polar solvents in a water sample in 18 minutes.
| Publication Part Number | A01428 | |||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND Q column separates 26 solvents in DMSO in 27 minutes.
| Publication Part Number | A01424 | ||||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND U column separates C2 hydrocarbons to base line in two minutes.
| Publication Part Number | A01587 | |||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND U column separates 18 solvents in less than 11 minutes.
| Publication Part Number | A01563 | |||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND Q column separates seven chlorinated fluorocarbons in 13 minutes.
| Publication Part Number | A01446 | ||||
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必威体育登录手机Gas chromatography using an Agilent J&W PoraBOND Q column separates 13 chlorinated fluorocarbons and C1 to C6 hydrocarbons in 15 minutes.
| Publication Part Number | A01429 | ||||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND Q column separates ten common residual solvents in four minutes.
| Publication Part Number | A01457 | |||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND Q column separates nine C1 to C3 hydrocarbons in ten minutes.
| Publication Part Number | A01425 | ||||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND U column produces good peak shapes in the analysis of halogenated hydrocarbons.
| Publication Part Number | A01588 | ||||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND Q column uses headspace analysis to identify cyanides in blood in less than four minutes.
| Publication Part Number | A01529 | ||||
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必威体育登录手机Gas chromatography with an Agilent J&W PoraBOND U column separates 32 solvents in 44 minutes, according to USP 467.
| Publication Part Number | A01546 | |||
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