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Record #122828:
- #122828
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MARC recordA new ice mill allows precise concentration determination of methane and most probably also other trace gases in the bubble air of very small ice samples / Andreas Fuchs, Jakob Schwander, Bernhard Stauffer.
| Title: | A new ice mill allows precise concentration determination of methane and most probably also other trace gases in the bubble air of very small ice samples / Andreas Fuchs, Jakob Schwander, Bernhard Stauffer. |
| Author(s): | Fuchs, Andreas. Schwander, Jakob. Stauffer, Bernhard. |
| Date: | 1993. |
| In: | Journal of Glaciology. (1993.), Vol. 39(131) (1993) |
| Abstract: | System allows extraction of gases from air bubbles in ice without melting ice. Sample, up to 20 g, is crushed in sealed container by milling cutter and gas from opened bubbles is flushed with helium to Porapak column where it is stored until injection into gas chromatograph. To avoid contamination with CH₄ produced by friction in gear section, helium-flushed rotary feed-through is used. |
| Notes: | Journal of Glaciology. Vol. 39(131) :199-203 (1993). |
| Keywords: | 551.32 -- Glaciology. 551.321 -- Glaciological methods and instruments. 551.321.1 -- Snow and ice crystals, methods of investigation. 54 -- Chemistry. 543.064 -- Trace analysis. 547.211 -- Methane. 551.324.82 -- Bubbles in glaciers and ice. E3 -- Glaciology: instruments and methods. |
| SPRI record no.: | 122828 |
LDR 01540naa#a2200000#a#4500 001 SPRI-122828 005 20231130203650.0 007 ta 008 231130s1993####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-122828 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aFuchs, Andreas. 245 12 ‡aA new ice mill allows precise concentration determination of methane and most probably also other trace gases in the bubble air of very small ice samples /‡cAndreas Fuchs, Jakob Schwander, Bernhard Stauffer. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1993. 300 ## ‡ap. 199-203 :‡bdiags., table. 500 ## ‡aJournal of Glaciology. Vol. 39(131) :199-203 (1993). 520 3# ‡aSystem allows extraction of gases from air bubbles in ice without melting ice. Sample, up to 20 g, is crushed in sealed container by milling cutter and gas from opened bubbles is flushed with helium to Porapak column where it is stored until injection into gas chromatograph. To avoid contamination with CH₄ produced by friction in gear section, helium-flushed rotary feed-through is used. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.321 -- Glaciological methods and instruments.‡2udc 650 07 ‡a551.321.1 -- Snow and ice crystals, methods of investigation.‡2udc 650 07 ‡a54 -- Chemistry.‡2udc 650 07 ‡a543.064 -- Trace analysis.‡2udc 650 07 ‡a547.211 -- Methane.‡2udc 650 07 ‡a551.324.82 -- Bubbles in glaciers and ice.‡2udc 650 07 ‡aE3 -- Glaciology: instruments and methods.‡2local 700 1# ‡aSchwander, Jakob. 700 1# ‡aStauffer, Bernhard. 773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 39(131) (1993) ‡wSPRI-20534 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231130