{"product_id":"natriumcarbonat-frei-czda-10kg","title":"Carbonat de sodiu liber CZDA 10kg","description":"\u003cp\u003e\u003cstrong\u003eCarbonat de sodiu anhidru p.d.a. (Na2CO3)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInformații tehnice despre reactivul chimic:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eDenumire chimică: Carbonat de sodiu anhidru\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFormulă chimică: Na2CO3\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr CAS: 497-19-8\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr CE: 207-838-8\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMasă molară: 105,99 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eStare fizică: Pulbere solidă, cristalină\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCuloare: alb\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMiros: inodor\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eValoare pH (50 g\/l, 25°C): aprox. 11,5\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de topire: aprox. 891 °C\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de fierbere: 1600 °C (descompunere)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de inflamabilitate: neaplicabil\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTemperatură de autoaprindere: neaplicabil\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLimite de explozie: neaplicabil\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePresiune de vapori: indisponibilă\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensitate: aprox. 2,53 g\/cm³ (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensitate în vrac: aprox. 1100 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în apă: aprox. 210 g\/l (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în solvenți organici: solubil în glicerină, insolubil în acetonă și alcool\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePuritate: min. 99,8 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSubstanțe insolubile în apă: max. 0,01 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePierdere la calcinare: max. 0,5 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAzot total (N): max. 0,001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCloruri (Cl): max. 0,001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFosfați (PO4): max. 0,002 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSilicați (SiO2): max. 0,003%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulf total (SO4): max. 0,003 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eArsen (As): max. 0,00005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAluminiu (Al): max. 0,003 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMagneziu (Mg): max. 0,005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCupru (Cu): max. 0,0005 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePlumb (Pb): max. 0,0005%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePotasiu (K): max. 0,02%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCalciu (Ca): max. 0,01%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFier (Fe): max. 0,0005 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCod produs: CHEM-118105602\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eExemple de aplicații profesionale în diverse industrii:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaboratoare analitice:\u003c\/strong\u003e prepararea soluțiilor standard și a standardelor de referință.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria chimică:\u003c\/strong\u003e utilizat ca reactiv alcalin și regulator de proces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria sticlei:\u003c\/strong\u003e materie primă pentru topirea articolelor de laborator și sticlei tehnice.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria hârtiei:\u003c\/strong\u003e component al procedeelor de albire și tratare a fibrelor de celuloză.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEducație și predare:\u003c\/strong\u003e răspândit pe scară largă în laboratoarele școlare și universitare ca reactiv alcalin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndicații de pericol (H):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eH319 - Irită ochii.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eIndicații de siguranță (P):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eP305+P351+P338 - ÎN CAZ DE CONTACT CU OCHII: Clătiți cu grijă cu apă timp de câteva minute. Îndepărtați lentilele de contact, dacă sunt prezente și ușor de îndepărtat. Continuați să clătiți.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eCondiții de depozitare recomandate:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003ePăstrați într-un recipient bine închis.\u003c\/li\u003e\n  \u003cli\u003eProtejați de umiditate (substanță higroscopică).\u003c\/li\u003e\n  \u003cli\u003ePăstrați într-o încăpere uscată și bine ventilată.\u003c\/li\u003e\n  \u003cli\u003eEvitați contactul cu acizii și sursele de contaminare.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ChemMarkt.de","offers":[{"title":"Default Title","offer_id":51513630032213,"sku":"CHEM-118105602-10kg","price":344.47,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/4397\/0348\/files\/70b34bc8620aaf91eae0396a8ccd5950.jpg?v=1758619956","url":"https:\/\/chemmarkt.de\/ro-ro\/products\/natriumcarbonat-frei-czda-10kg","provider":"ChemMarkt.de","version":"1.0","type":"link"}