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About This Item
化学式:
18O2
CAS番号:
分子量:
36.00
MDL番号:
UNSPSCコード:
12142200
PubChem Substance ID:
NACRES:
NA.12
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蒸気密度
1.11 (vs air)
品質水準
同位体純度
99 atom % 18O
アッセイ
99% (CP)
フォーム
gas
テクニック
PET imaging: suitable
bp
−183 °C (lit.)
mp
−218 °C (lit.)
質量シフト
M+4
SMILES記法
[18O]=[18O]
InChI
1S/O2/c1-2/i1+2,2+2
InChI Key
MYMOFIZGZYHOMD-XPULMUKRSA-N
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詳細
Oxygen-18O2 is a naturally occurring stable isotope of oxygen. Natural abundance of 18O2 containing at least 99 atom % O-18.
アプリケーション
18O2 isotopic labelling was employed, in conjunction with time-of-flight secondary ion mass spectrometry, to characterize and elucidate the parts of the degradation mechanisms induced by molecular oxygen. Using 18O2 as a label, it is possible to study collagen degradation with this non-reutilized label and so avoid the large errors that are introduced by the recycling of other labels.
Oxygen-18O2 can be used to study the kinetic and functional analyses in photosynthesis research. It is used to estimate the role of oxygen in the vitamin-K dependent carboxylation reaction. Also used to measure the amount of oxygen produced by the etching a quartz tube with SF6 plasma.
包装
1 L quantity is packaged in a 450 mL carbon steel lecture bottle with brass CGA 110/180 valve. Nominal gas pressure at 21ºC is 20 psig for 1 L. This pressure is slightly above atmospheric pressure. Care must be taken when extracting this product from the cylinder.
All gas volumes are quoted at Standard Temperature and Pressure (STP) and not at Normal Temperature and Pressure (NTP). One STP Liter is 7.7% more gas than one NTP Liter.
おすすめ製品
Brass hose adapter Z146811 or brass body mini gas regulator Z513539 is recommended for 500 mL Sure/Pac cylinder (U.S only). For 1 L cylinder, either stainless steel control valve Z146951 or Z187224 is recommended.
PTFE sealing washers GCA inlet size 180 Z146994
PTFE sealing washers CGA inlet size 110 Z146986
PTFE sealing washers GCA inlet size 180 Z146994
PTFE sealing washers CGA inlet size 110 Z146986
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製品番号
詳細
価格
レギュレーター
シグナルワード
Danger
危険有害性情報
危険有害性の分類
Ox. Gas 1 - Press. Gas Compr. Gas
保管分類コード
2A - Gases
WGK
WGK 3
引火点(°F)
Not applicable
引火点(℃)
Not applicable
個人用保護具 (PPE)
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
適用法令
試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。
労働安全衛生法名称等を表示すべき危険物及び有害物
名称等を表示すべき危険物及び有害物
労働安全衛生法名称等を通知すべき危険物及び有害物
名称等を通知すべき危険物及び有害物
Jan Code
602892-1L:
602892-500ML:
602892-BULK:
602892-VAR:
602892-1L-EU:
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Catherine Fenselau et al.
Journal of proteome research, 8(5), 2140-2143 (2009-04-03)
Enzyme-catalyzed 18O2-labeling offers a universal strategy for uniform labeling of all peptides from any kind of proteins, including post-translationally modified proteins. It is applicable to clinical samples with unrivaled sensitivity. This review discusses strengths and limitations, and advocates the separation
J A Molnar et al.
The Biochemical journal, 250(1), 71-76 (1988-02-15)
To explore the effects of growth retardation, caused by restricted protein intake, on collagen turnover in the whole skin, Sprague-Dawley rats (n = 20) were labelled with 18O2 and fed on either an adequate (18%) or a low (3%) lactalbumin
Dmitriy Shevela et al.
Frontiers in plant science, 4, 473-473 (2013-12-11)
Monitoring isotopic compositions of gaseous products (e.g., H2, O2, and CO2) by time-resolved isotope-ratio membrane-inlet mass spectrometry (TR-IR-MIMS) is widely used for kinetic and functional analyses in photosynthesis research. In particular, in combination with isotopic labeling, TR-MIMS became an essential
Sui So et al.
Physical chemistry chemical physics : PCCP, 16(45), 24954-24964 (2014-10-18)
β-Hydroxyperoxyl radicals are formed during atmospheric oxidation of unsaturated volatile organic compounds such as isoprene. They are intermediates in the combustion of alcohols. In these environments the unimolecular isomerization and decomposition of β-hydroxyperoxyl radicals may be of importance, either through
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