{"product_id":"natriumsulfitfrei-cz-1kg","title":"Fără sulfit de sodiu CZ 1kg","description":"\u003cp\u003e\u003cstrong\u003eSulfit de sodiu anhidru (Na₂SO₃)\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\u003eFormulă chimică: Na₂SO₃.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr CAS: 7757-83-7\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr EC: 231-821-4\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMasă molară: 126,04 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eStare fizică: solid\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: aprox. 9,7 (50 g\/l H₂O, 20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de topire: \u003e 500 °C (descompunere)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de fierbere: nu sunt date disponibile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTemperatură de autoaprindere: nu se aplică\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de inflamabilitate: nu se aplică\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLimite de explozie: nu se aplică\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePresiune de vapori: nu sunt date disponibile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensitate: 2,63 g\/cm³ (15°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensitate în vrac: aprox. 1480 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în apă: 220 g\/l (25°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în solvenți organici: solubil în glicerină, practic insolubil în alcool\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLog P (O\/W): 4,0\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePuritate: min. 91,0 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSubstanțe insolubile în apă: max. 0,02 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eClorură (Cl): max. 0,02 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTiosulfat (S₂O₃): max. 0,1 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCarbonați (Na₂CO₃): max. 0,15 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eArsen (As): max. 0,0001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eZinc (Zn): max. 0,001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCupru (Cu): max. 0,005 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePlumb (Pb): max. 0,002 %.\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. 0,002 %\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eExemple de aplicații profesionale în diferite industrii:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaboratoare analitice:\u003c\/strong\u003e Utilizare ca agent reducător în analize chimice și soluții tampon.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria chimică:\u003c\/strong\u003e Utilizare în procese de reducere, în sinteze și în controlul conținutului de oxigen din probe.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria apei și a apelor uzate:\u003c\/strong\u003e Utilizare în procese de îndepărtare a oxigenului dizolvat și ca reactiv în analize calitative.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndicații de pericol pe eticheta produsului:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNu se aplică - produsul nu este clasificat ca periculos conform GHS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eIndicații de siguranță pe eticheta produsului:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNu se aplică - pentru produs nu sunt necesare indicații P specifice.\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\u003eDepozitați în recipiente bine închise și protejați de umiditate.\u003c\/li\u003e\n  \u003cli\u003eProtejați de aer și lumină pentru a evita descompunerea.\u003c\/li\u003e\n  \u003cli\u003eDepozitați la temperatura camerei, într-un loc uscat și bine ventilat.\u003c\/li\u003e\n  \u003cli\u003eEvitați contactul cu acizii și agenții oxidanți puternici.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55537863491932,"sku":"CHEM-428081005-1kg","price":20.79,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/48a06379184e78d45f84acb34c5b840c.jpg?v=1758551732","url":"https:\/\/biolaboratoriuhot.com\/ro\/products\/natriumsulfitfrei-cz-1kg","provider":"Biolaboratorium","version":"1.0","type":"link"}