Kind of carrier gas? [August 25, 2004]
Posted: Mon Aug 30, 2004 7:57 pm
By mattias on Wednesday, August 25, 2004 - 05:24 am:
My hydrogen peaks are small using helium as carrier. If I change to nitrogen as carrier I will probably loose my CO, CO2 and O2 peaks. Which carrier gas should I use?
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By Consumer Products Guy on Wednesday, August 25, 2004 - 08:40 am:
Try a custom mix of 8.5% hydrogen in helium as carrier; that's what we used for this. Hydrogen can be a negative peak, a positive peak, or small, depending on its concentration, that's why this custom blend is used. Look in literature, we didn't develop this ourselves.
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By chromatographer1 on Monday, August 30, 2004 - 05:14 am:
Argon is another option for a quick fix.
My hydrogen peaks are small using helium as carrier. If I change to nitrogen as carrier I will probably loose my CO, CO2 and O2 peaks. Which carrier gas should I use?
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By Consumer Products Guy on Wednesday, August 25, 2004 - 08:40 am:
Try a custom mix of 8.5% hydrogen in helium as carrier; that's what we used for this. Hydrogen can be a negative peak, a positive peak, or small, depending on its concentration, that's why this custom blend is used. Look in literature, we didn't develop this ourselves.
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By chromatographer1 on Monday, August 30, 2004 - 05:14 am:
Argon is another option for a quick fix.