{"id":342,"date":"2025-11-20T11:06:16","date_gmt":"2025-11-20T11:06:16","guid":{"rendered":"https:\/\/poisonshops.com\/?post_type=product&p=342"},"modified":"2025-12-02T15:32:34","modified_gmt":"2025-12-02T15:32:34","slug":"karbonyl-niklu","status":"publish","type":"product","link":"https:\/\/poisonshops.com\/cs\/produkt\/karbonyl-niklu\/","title":{"rendered":"Nikl karbonyl"},"content":{"rendered":"

Koupit nikl karbonyl online<\/h2>\n

Co je karbonyl niklu<\/h4>\n

Koupit nikl karbonyl online<\/a> (n\u00e1zev IUPAC: tetrakarbonylnikl) je organick\u00e1 slou\u010denina niklu se vzorcem Ni(CO)4. Tato bezbarv\u00e1 kapalina je hlavn\u00edm karbonylem niklu.<\/p>\n

Je meziproduktem v Mondov\u011b procesu v\u00fdroby velmi \u010dist\u00e9ho Koupit nikl karbonyl online a \u010dinidlem v organokovov\u00e9 chemii, a\u010dkoli Mond\u016fv proces se p\u0159estal b\u011b\u017en\u011b pou\u017e\u00edvat kv\u016fli zdravotn\u00edm rizik\u016fm p\u0159i pr\u00e1ci s touto slou\u010deninou.<\/p>\n

Karbonyl niklu je jednou z nejnebezpe\u010dn\u011bj\u0161\u00edch l\u00e1tek, kter\u00e9 se dosud v chemii niklu vyskytly, a to kv\u016fli sv\u00e9 velmi vysok\u00e9 toxicit\u011b spojen\u00e9 s vysokou t\u011bkavost\u00ed a rychlou absorpc\u00ed k\u016f\u017e\u00ed. Karbonyl niklu lze zakoupit na \u010dern\u00e9m trhu.<\/p>\n

\"Obchod<\/p>\n

Struktura a vazba<\/span><\/h2>\n

V tetrakarbonylu niklu je oxida\u010dn\u00edmu stavu niklu p\u0159i\u0159azena nula. Vzorec odpov\u00edd\u00e1 18-elektronov\u00e9mu pravidlu. Molekula je tetraedrick\u00e1, se \u010dty\u0159mi karbonylov\u00fdmi (oxid uhelnat\u00fd) ligandy. Na t\u00e9to molekule byly provedeny elektronov\u00e9 difrak\u010dn\u00ed studie a vzd\u00e1lenosti Ni-C a C-O byly vypo\u010dteny na 1,838(2), resp. 1,141(2) angstr\u00f6m\u016f. Koupit Karbonyl niklu online.<\/p>\n

P\u0159\u00edprava<\/span><\/h3>\n

Ni(CO)4 poprv\u00e9 syntetizoval Ludwig Mond v roce 1890 p\u0159\u00edmou reakc\u00ed kovov\u00e9ho niklu s CO. Tato pr\u016fkopnick\u00e1 pr\u00e1ce p\u0159edznamenala existenci mnoha dal\u0161\u00edch karbonylov\u00fdch slou\u010denin kov\u016f, v\u010detn\u011b slou\u010denin V, Cr, Mn, Fe a Co. Koncem 19. stolet\u00ed se tak\u00e9 pr\u016fmyslov\u011b uplatnila p\u0159i \u010di\u0161t\u011bn\u00ed niklu.<\/p>\n

P\u0159i teplot\u011b 323 K (50 \u00b0C; 122 \u00b0F) p\u0159ech\u00e1z\u00ed oxid uhelnat\u00fd p\u0159es ne\u010dist\u00fd nikl. Optim\u00e1ln\u00ed rychlost nast\u00e1v\u00e1 p\u0159i 130 \u00b0C. Karbonyl niklu zakoup\u00edte na \u010dern\u00e9m trhu.<\/p>\n

Tepeln\u00e1 dekarbonylace<\/span><\/h4>\n

P\u0159i m\u00edrn\u00e9m zah\u0159\u00edv\u00e1n\u00ed se Ni(CO)4<\/sub> se rozkl\u00e1d\u00e1 na oxid uhelnat\u00fd a kovov\u00fd nikl. V kombinaci se snadnou tvorbou z CO a dokonce i velmi ne\u010dist\u00e9ho niklu je tento rozklad z\u00e1kladem pro Mond\u016fv proces \u010di\u0161t\u011bn\u00ed Buy Nickel Carbonyl Online nebo pokovov\u00e1n\u00ed povrch\u016f. Tepeln\u00fd rozklad za\u010d\u00edn\u00e1 p\u0159i teplot\u011b bl\u00edzk\u00e9 180 \u00b0C a p\u0159i vy\u0161\u0161\u00ed teplot\u011b se zvy\u0161uje.<\/p>\n

\"Biologick\u00e9<\/p>\n

Koupit Nikl karbonyl online<\/h3>\n

Reakce s elektrofily a oxida\u010dn\u00edmi \u010dinidly<\/span><\/h5>\n

Karbonyl niklu lze oxidovat. Chl\u00f3r oxiduje karbonyl niklu na NiCl2<\/sub>, a uvol\u0148uje plyn CO. Ostatn\u00ed halogeny se chovaj\u00ed obdobn\u011b. Tato reakce poskytuje vhodn\u00fd zp\u016fsob sr\u00e1\u017een\u00ed niklov\u00e9 \u010d\u00e1sti toxick\u00e9 slou\u010deniny.<\/p>\n

Reakce Ni(CO)4<\/sub> s alkyl a aryl halogenidy \u010dasto vedou ke karbonylovan\u00fdm organick\u00fdm produkt\u016fm.<\/p>\n

Vinylov\u00e9 halogenidy, jako je PhCH=CHBr, se po p\u016fsoben\u00ed Ni(CO) p\u0159ev\u00e1d\u011bj\u00ed na nenasycen\u00e9 estery.4<\/sub> a n\u00e1sledn\u011b methoxidem sodn\u00fdm.<\/p>\n

Tyto reakce pravd\u011bpodobn\u011b tak\u00e9 prob\u00edhaj\u00ed oxida\u010dn\u00ed adic\u00ed. Allylov\u00e9 halogenidy d\u00e1vaj\u00ed slou\u010deniny \u03c0-allylnickelu, jako je (allyl)2<\/sub>Ni2<\/sub>Cl2<\/sub>:<\/p>\n

\n
2 Ni(CO)4<\/sub>\u00a0+ 2 ClCH2<\/sub>CH=CH2<\/sub>\u00a0\u2192 Ni2<\/sub>(\u03bc<\/i>-Cl)2<\/sub>(\u03b7<\/i>3<\/sup>-C3<\/sub>H5<\/sub>)2<\/sub>\u00a0+ 8 CO<\/dd>\n<\/dl>\n

\"Obchody<\/p>","protected":false},"excerpt":{"rendered":"

Melting point: :<\/b>-19\u00b0C
\nBoiling point: :<\/b>43\u00b0C
\nDensity\u00a0 :<\/b>1,32 g\/cm3<\/sup>
\nvapor pressure\u00a0 :<\/b>321 mmHg at 20 \u00b0C
\nFlash point: :<\/b><-20\u00b0C
\nform\u00a0 :<\/b>liquid
\ncolor\u00a0 :<\/b>colorless
\nOdor :<\/b>Sooty odor detectable at 0.5 to 3 ppm
\nWater Solubility\u00a0 :<\/b>soluble in ~5000 parts air free H2O; soluble alcohol, benzene, chloroform, acetone, CCl4 [MER06]
\nSensitive\u00a0 :<\/b>heat sensitive
\nExposure limits :<\/b>TLV-TWA: 0.05 ppm (0.35 mg as Ni\/m3<\/sup>) (ACGIH)
\nPEL: 0.001 ppm (0.007 mg Ni\/m3<\/sup>) (OSHA, MSHA and NIOSH)
\nIDLH: 0.001 ppm (NIOSH, OSHA).\u00a0Stability: :<\/b>Stable. Highly flammable and highly reactive. Explosion hazard.
\nEPA Substance Registry System :<\/b>Nickel carbonyl (13463-39-3)<\/p>\n","protected":false},"featured_media":343,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[17],"product_tag":[],"class_list":{"0":"post-342","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-poisons-for-sale","8":"first","9":"instock","10":"shipping-taxable","11":"purchasable","12":"product-type-variable"},"_links":{"self":[{"href":"https:\/\/poisonshops.com\/cs\/wp-json\/wp\/v2\/product\/342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/poisonshops.com\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/poisonshops.com\/cs\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/poisonshops.com\/cs\/wp-json\/wp\/v2\/comments?post=342"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/poisonshops.com\/cs\/wp-json\/wp\/v2\/media\/343"}],"wp:attachment":[{"href":"https:\/\/poisonshops.com\/cs\/wp-json\/wp\/v2\/media?parent=342"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/poisonshops.com\/cs\/wp-json\/wp\/v2\/product_brand?post=342"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/poisonshops.com\/cs\/wp-json\/wp\/v2\/product_cat?post=342"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/poisonshops.com\/cs\/wp-json\/wp\/v2\/product_tag?post=342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}