推薦產品
描述
Normalized with respect to hydrogen
品質等級
同位素純度
97 atom % 18O
形狀
liquid
技術
PET imaging: suitable
bp
100 °C (lit.)
mp
0 °C (lit.)
密度
1.11 g/mL at 20 °C (lit.)
相容性
(for PET)
質量偏移
M+2
SMILES 字串
[18OH2]
InChI
1S/H2O/h1H2/i1+2
InChI 密鑰
XLYOFNOQVPJJNP-NJFSPNSNSA-N
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一般說明
水-18O是水的同位素类似物。
應用
Water-18O是一种同位素水，适合PET应用。
也可以用于：
也可以用于：
- 古气候学、水文学和植物生态学，用 δ18O确定植物纤维的土壤氧稳定同位素分析。
- 二次离子质谱（SIMS）确定水分向晶体扩散
儲存類別代碼
10 - Combustible liquids
水污染物質分類（WGK）
nwg
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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文章
By first labeling molecular oxygen and then body water with 18O in a rat, Lifson measured the 18O abundance in expired CO2 and found the oxygens in CO2 exchanged with the oxygen in water. Indeed, these two oxygen containing species were in rapid isotopic equilibrium due to the actions of what we now know is carbonic anhydrase (Lifson, 1966)
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