Oxygen-18 ruwa
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| Haɗin Isotope | |||
| O-18 | 98% | ||
| O-17 | 1 atom% | ||
| O-16 | 1 atom% | ||
| Gwaji | Ƙayyadaddun bayanai | Sakamakon Gwaji | Hanya/Reference |
| Gudanarwa | ≤5µS/cm | 1.4 | na'ura mai kwakwalwa |
| Tsafta | > 99.9 | 99.93 | / |
| pH | 44355 | 6.1 | pH mita |
| Jimlar kwayoyin carbon | 0.1 | TOCanalyzer | |
| Deuterium | ≤ 0.015% a | 0.015 | FT-IR |
| Endotoxin | 112 | LAL | |
| Micro Organism | 1 | 9215B | |
| F | ≤ 0.5mg/L | 0.1 | IC |
| Cl | ≤ 0.5mg/L | 0.02 | IC |
| Br | ≤ 0.5mg/L | 0.1 | IC |
| NO3 | ≤ 0.5mg/L | 0.077 | IC |
| SO4 | ≤ 0.5mg/L | 0.01 | IC |
| Zn | ≤ 0.5mg/L | 0.1 | ICP |
| Tare da | ≤ 0.5mg/L | 0.1 | ICP |
| Fe | ≤ 0.5mg/L | 0.1 | ICP |
| Tuni | ≤ 3mg/L | 0.1 | ICP |
| K | ≤ 0.5mg/L | 0.1 | ICP |
| Wannan | ≤ 1 MG/L | 0.1 | ICP |
| Mg | ≤ 0.5mg/L | 0.1 | ICP |
Jiki da sinadarai Properties
| Yanayin jiki | Ruwa | |||
| Bayyanar | Ruwa | |||
| Yawan kwayoyin halitta | 20.02 g/mol (Labeled) | |||
| Launi | Mara launi | |||
| Wurin narkewa | 0 °C | |||
| Wurin daskarewa | 0 °C | |||
| Wurin tafasa | 100 °C (212 °F) - wuta | |||
| Musamman nauyi / yawa | 1 g/ml a 3.98 °C | |||
bayanin samfurin
Ana amfani da ruwan Oxygen-18 mai wadataccen ruwa a matsayin manufa wanda aka jefar da shi tare da taimakon cyclotron ko mai haɓaka layin layi don samar da Flourine-18. Flourine-18 an haɗa shi cikin 2-deoxy-2-18 F-β-D-glucopyranose (18 F-FDG) wanda aka yi amfani da su a cikin PET (Positron emission tomography) don ƙayyade wuraren da ke haifar da rashin daidaituwa na glucose metabolism da na gida. -ization na da yawa iri ciwace-ciwacen daji. A yau 18 F-FDG shine mafi yaɗuwa kuma mafi nasara PET radiopharmaceutical. 18 F-FDG shine analog na glucose, ana allurar shi a cikin vivo sannan kuma ana jigilar F-FDG 18 daga jini zuwa kyallen takarda ta hanyar kama da glucose. Kwayoyin suna sha FDG kamar glucose amma ba za a iya metabolized ba. Wani muhimmin fa'ida na FDG-PET shine yana taimakawa daidaitaccen ayyana mataki da wuraren cutar da ke faruwa a cikin nau'ikan ciwon daji da yawa.
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