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1 - 20 of 265 results
A unique PLOT column designed for the analysis of very volatile amines, including ammonia, at above ambient temperatures.
A porous polymer PLOT stationary phase for analysis of polar and apolar volatile compounds, and water as an analyte.
Provides excellent peak symmetry and retention time repeatability with polar and nonpolar volatiles.
A divinylbenzene/vinylpyridine polymer PLOT column for analysis of medium polarity volatiles, including hydrocarbons and ketones.
High-temperature version of PoraPLOT Q, offering the same benefits but operating up to 290 °C.
Autozero for 990 Micro GC at -50 and -3
Autozero for 990 Micro GC at -50 and -3
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We are looking to start using it again, however, the autozeros for our columns, (MS5A SS and Poraplot U FS) are at -39.295 mV and -18.157 respectively. I was just wondering if this is indicative of any column damage or some contamination.
Method Development Tips for Detecting CO2, CO, H2, O2, CH4, and C2H4 Gases
Method Development Tips for Detecting CO2, CO, H2, O2, CH4, and C2H4 Gases
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Hello everyone, In our lab, we have 7820A (G4350B) GC with both FID and TCD detectors. The columns that we are using are CP7551PT PoraPLOT Q PT and 19091P-MS4 HP-PLOT Molesieve. I need to develop a method for detecting CO2, CO, H2, O2, CH4, and C2H4 gases. I have tried several but still have issues with H2 and CO peak separation.
Delay between Samples
Delay between Samples
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Hi everyone, Our lab own a microGC 990 with a PORAPLOT U column. The software we use is Openlab. I usually run my samples with "sequence" mode. Is there a way to put a "delay time" between samples?
Measuring Very Dilute CO2 Concentration (<0.5%) with 990 Micro GC
Measuring Very Dilute CO2 Concentration (<0.5%) with 990 Micro GC
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We want to measure CO2 concentration in ambient air (<500 ppm or <0.05%). We have the PORAPLOT U column. Can this very dilute concentration be measured by adjusting some parameters? I tried increasing injection time; that seems to help.
J&W PoraPLOT Q GC Column, 10 m, 0.53 mm, 20.00 μm, UltiMetal, 7 inch cage. This is the most common GC column format compatible with Agilent 5890, 6890, 7820, 7890, 8860, and 8890 series GC systems and all non-Agilent GC systems with a similarly...
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Unit:
1 Each
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Length:
10 m
J&W PoraPLOT Q GC Column, 25 m, 0.53 mm, 20.00 μm, UltiMetal, 7 inch cage. This is the most common GC column format compatible with Agilent 5890, 6890, 7820, 7890, 8860, and 8890 series GC systems and all non-Agilent GC systems with a similarly...
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Unit:
1 Each
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Length:
25 m
J&W PoraPLOT Q GC Column, 10 m, 0.25 mm, 8.00 μm, 7 inch cage. This is the most common GC column format compatible with Agilent 5890, 6890, 7820, 7890, 8860, and 8890 series GC systems and all non-Agilent GC systems with a similarly sized oven.
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Unit:
1 Each
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Length:
10 m
J&W PoraPLOT Q GC Column, 25 m, 0.25 mm, 8.00 μm, 7-inch cage with two particle traps (front and rear). This is the most common GC column format compatible with Agilent 5890, 6890, 7820, 7890, 8860, and 8890 series GC systems and all...
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Unit:
1 Each
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Length:
25 m
J&W PoraPLOT Q GC Column, 10 m, 0.32 mm, 10.00 μm, 7 inch cage with two particle traps (front and rear). This is the most common GC column format compatible with Agilent 5890, 6890, 7820, 7890, 8860, and 8890 series GC systems and all...
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Unit:
1 Each
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Length:
10 m
J&W PoraPLOT Q PT GC Column, 10 m, 0.32 mm, 10.00 μm, with two particle traps (front and rear)
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Unit:
1 Each
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Length:
10 m
J&W PoraPLOT Q GC Column, 25 m, 0.32 mm, 10.00 μm, 7 inch cage with one particle trap. This is the most common GC column format compatible with Agilent 5890, 6890, 7820, 7890, 8860, and 8890 series GC systems and all non-Agilent GC systems with...
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Unit:
1 Each
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Length:
25 m
J&W PoraPLOT Q PT GC Column, 25 m, 0.32 mm, 10.00 μm, with two particle traps (front and rear)
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Unit:
1 Each
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Length:
25 m
J&W PoraPLOT Q GC Column, 50 m, 0.32 mm, 10.00 μm, 7 inch cage with two particle traps (front and rear). This is the most common GC column format compatible with Agilent 5890, 6890, 7820, 7890, 8860, and 8890 series GC systems and all...
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Unit:
1 Each
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Length:
50 m
J&W PoraPLOT Q GC Column, 10 m, 0.53 mm, 20.00 μm, 7 inch cage with two particle traps (front and rear). This is the most common GC column format compatible with Agilent 5890, 6890, 7820, 7890, 8860, and 8890 series GC systems and all...
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Unit:
1 Each
-
Length:
10 m
J&W PoraPLOT Q GC Column, 25 m, 0.53 mm, 20.00 μm, 7 inch cage with one particle trap. This is the most common GC column format compatible with Agilent 5890, 6890, 7820, 7890, 8860, and 8890 series GC systems and all non-Agilent GC systems with...
-
Unit:
1 Each
-
Length:
25 m
J&W PoraPLOT Q PT GC Column, 25 m, 0.53 mm, 20.00 µm, with two particle traps (front and rear)
-
Unit:
1 Each
-
Length:
25 m