{"id":13996,"date":"2021-08-24T18:21:55","date_gmt":"2021-08-24T18:21:58","guid":{"rendered":"https:\/\/masterchem.ee\/?post_type=product&#038;p=13996"},"modified":"2021-08-24T18:34:03","modified_gmt":"2021-08-24T18:34:03","slug":"olitatud-vaavel-cas-7704-34-9","status":"publish","type":"product","link":"https:\/\/masterchem.ee\/fi\/tooted-ja-teenused\/olitatud-vaavel-cas-7704-34-9\/","title":{"rendered":"\u00d5litatud v\u00e4\u00e4vel (CAS 7704-34-9)"},"content":{"rendered":"<p> <strong> Info<\/strong> <\/p>\n<p> T\u00f6\u00f6stusharud: kodukeemia <br \/>\nCASi number: 7704-34-9 <br \/>\nWE number: 231-722-6 <br \/>\nKeemiline valem: S <br \/>\nMolaarmass: 32,07 g \/mol <br \/>\nADR: UN1350 <\/p>\n<p> <strong> Muud f\u00fc\u00fcsilised omadused <\/strong> <\/p>\n<p> pH: 6,8 (100 g \/l, temperatuuril 20 \u00b0 C) <br \/>\nSulamis- \/ k\u00fclmumistemperatuur: 90 &#8211; 100 \u00b0 C <br \/>\nKeemistemperatuur \/ keemistemperatuur: 290 \u00b0 C <br \/>\nSuhteline tihedus: 2,07 g\/cm3 (20 \u00b0 C) <\/p>\n","protected":false},"excerpt":{"rendered":"<p> <strong>Urotropiini (stabiloitu, vahvistamaton) (CAS 100-97-0)<\/strong> <\/p>\n<p>Rikki on alkuaine, jonka kemiallinen merkki on S (lat. sulfur, sulphur), j\u00e4rjestysluku 16 ja IUPACin standardin mukainen atomimassa on [32,509;32,076] amu. Se on yleinen, mauton ja hajuton, v\u00e4rilt\u00e4\u00e4n keltainen ep\u00e4metalli. Luonnossa rikki\u00e4 esiintyy sek\u00e4 vapaana alkuaineena ett\u00e4 erilaisina yhdistein\u00e4. Vapaana alkuaineena rikki\u00e4 on tuliper\u00e4isten alueiden maaper\u00e4ss\u00e4. Toimivasta tulivuoresta purkautuu mm. rikki\u00e4 ja rikin yhdisteit\u00e4 ilmakeh\u00e4\u00e4n ja maan pinnalle. Suurin osa rikist\u00e4 on kuitenkin luonnossa erilaisina yhdistein\u00e4. N\u00e4m\u00e4 ovat p\u00e4\u00e4asiassa rikin ja metallin yhdisteit\u00e4. Rikki\u00e4 saadaan metallinjalostuksen sivutuotteena, kun metalleja erotetaan n\u00e4ist\u00e4 yhdisteist\u00e4. Rikki on tunnettu jo antiikin aikana. Siit\u00e4 on k\u00e4ytetty suomen kieless\u00e4 my\u00f6s vanhahtavaa nime\u00e4 tulikivi, sill\u00e4 se syttyy helposti palamaan, jolloin syntyy pist\u00e4v\u00e4n hajuista, \u201dtulikivenkatkuista\u201d rikkidioksidia, SO2.<\/p>\n","protected":false},"featured_media":14002,"template":"","meta":[],"product_brand":[],"product_cat":[180,117,323,351],"product_tag":[],"class_list":{"0":"post-13996","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized-fi-2","7":"product_cat-kotitalouskemikaalit","8":"product_cat-lannoitteet","9":"product_cat-puutarhanhoito","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-variable","17":"has-default-attributes"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00d5litatud v\u00e4\u00e4vel (CAS 7704-34-9) - Chemistry For Industry - Solvents &amp; Chemicals - Masterchem.ee<\/title>\n<meta name=\"description\" content=\"Rikki on alkuaine, jonka kemiallinen merkki on S (lat. sulfur, sulphur), j\u00e4rjestysluku 16 ja IUPACin standardin mukainen atomimassa on [32,509;32,076] amu.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/masterchem.ee\/fi\/tooted-ja-teenused\/olitatud-vaavel-cas-7704-34-9\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"\u00d5litatud v\u00e4\u00e4vel (CAS 7704-34-9) - Chemistry For Industry - Solvents &amp; 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