Parafinas: Skirtumas tarp puslapio versijų
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Mona Lisa.jpg|[[La Joconde]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Mona Lisa.jpg|[[La Joconde]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Mona Lisa.jpg|[[La Joconde]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Mona Lisa.jpg|[[La Joconde]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Mona Lisa.jpg|[[La Joconde]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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<gallery> |
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Image:M63.jpg|[[M63]] |
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Image:Mona Lisa.jpg|[[La Joconde]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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<gallery> |
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Image:M63.jpg|[[M63]] |
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Image:Mona Lisa.jpg|[[La Joconde]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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Image:M63.jpg|[[M63]] |
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Image:Mona Lisa.jpg|[[La Joconde]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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</gallery> |
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<gallery> |
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Image:M63.jpg|[[M63]] |
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Image:Mona Lisa.jpg|[[La Joconde]] |
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Image:Truite arc-en-ciel.jpg|Une [[truite]] |
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12:32, 19 spalio 2008 versija
Parafinas (lot. parum affinis 'mažai giminingas') cheminis junginys, alkanų grupės angliavandenilis, turintis bendrą formulę CnH2n+2, atrastas Karlo Reichenbacho.
Fizikinės ir cheminės savybės
Bekvapė ir beskonė medžiaga, susidedanti daugiausia iš sočiųjų angliavandenilių. Parafinas būna kietasis (baltas, pačiupinėjus atrodo riebus, standus, lydosi 50-57°C temperatūroje) ir skystasis, arba vazelino aliejaus parafinas (bespalvė, klampi masė).
Parafino vonia vadinamas išlydyto parafino pripildytas šildymo indas;
Naudojimas
Parafinas naudojamas žvakėms gaminti, grindų vaškui ir maisto pramonėje.