Agilent's Ultra Inert Test ProbeMixture


Column: DB-5ms Ultra Inert 122-5532UI 30 m x 0.25 mm, 0.25 µm


Carrier: Hydrogen, constant pressure, 38 cm/s Oven: 65°C isothermal Sampler: Agilent 7683B, 0.5 µL syringe (Agilent Part No. 5188-5246), 0.02 µL split injection


27.5 pA


Injection: Split/splitless; 250°C, 1.4 mL/min; split column flow 900 mL/min; gas saver flow 75 mL/min at 2.0 min


Detector: FID at 325°C; 450 mL/min air, 40 mL/min hydrogen, 45 mL/min nitrogen makeup


4 30


22.5 25


17.5 20


12.5 15


A properly deactivated DB-5ms Ultra Inert Column delivers symmetrical peak shapes, along with increased peak heights, which allow for accurate integration and detection of trace analytes.


US EPAMethod 8270 ShortMix


Column: DB-5ms Ultra Inert 122-5532UI 30 m x 0.25 mm, 0.25 µm


Carrier: Helium constant flow 30 cm/s


Oven: 40°C (1 min) to 100°C (15°C/min), 10°C to 210°C (1 min), 5°C/min. to 310°C (8 min)


Injection: Split/splitless; 260°C, 53.7 mL/min. total flow, purge flow 50 mL/min. on at 0.5 min., gas saver flow 80 mL/min. on at 3.0 min.


Detector: MSD source at 300°C, quadrapole at 180°C, transfer line at 290°C, full scan m/z 50-550


1 4


Sample: 1.0 µL splitless injection, 5 ng each component on column


5.00 10.00 15.00 20.00 Time (min) EPA8270


Semi-volatile analysis using methods similar to US EPA Method 8270 is becoming increasingly important in environmental laboratories worldwide. Acidic compounds such as benzoic acid or 2,4-dinitrophenol – along with strong bases such as pyridine or benzidine – are examples of active species found in the semi-volatile sample set.


25.00 30.00 7 3 2 10 8 9 13 15


Suggested Supplies Liner: Direct connect, dual taper, deactivated, 4 mm ID,


Syringe: Autosampler syringe, 0.5 µL, 23g, cone, 5188-5246 G1544-80700 6 5 14 18 11 12 16 17


1. N-nitrosodimethylamine 2. Aniline 3. 1,4 dichoronezene-D4 4. 1,4 dichlorobenzene 5. Naphthalene-D8 6. Acenapthene-D10 7. 2,4-dinitrophenol 8. 4-nitrophenol 9. 2-methyl-4,6-dinitrophenol 10. Pentachlorophenol 11. 4-aminobiphenyl 12. Phenanthrene- D10 13. Benzidine 14. Chrysene-D12 15. 3,3'-dichlorobenzidine 16. Benzo [b] fluoranthene 17. Benzo [k] fluoranthene 18. Perylene-D12


10


02 68 Time (min)


4 10 DB5msPeaks 6 2 1 9 7 10 11 5 3 8


1. 1-Propionic acid 2. 1-Octene 3. n-Octane 4. 4-Picoline 5. n-Nonane 6. Trimethyl phosphate 7. 1,2-Pentanediol 8. n-Propylbenzene 9. 1-Heptanol 10. 3-Octanone 11. n-Decane


40


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