ammar


{ City } baghdad
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My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards

 Analytical Chemistry 1105

If flow rate of natural gas mixture in sweating gas unite is 460000 m3/day Can it be converted into mole/day?

Shell,

1 Chemical Engineering 1314



Answers / { ammar }

Question { Shell, 1314 }

If flow rate of natural gas mixture in sweating gas unite is 460000 m3/day
Can it be converted into mole/day?


Answer

Mole volume of gas at standard temp and pressure 25°C 1 atm is 24.44 L or 0.02444 m3/mole

460000/0.02444
= 18821603 mole/day

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