{"product_id":"natriumsulfitfrei-czda-2kg","title":"Solfito di sodio libero CZDA 2kg","description":"\u003cp\u003e\u003cstrong\u003eSolfito di sodio anidro p.d.a. (Na₂SO₃)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInformazioni tecniche sul reagente chimico:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eFormula chimica: Na₂SO₃.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumero CAS: 7757-83-7\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumero EC: 231-821-4\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMassa molare: 126,04 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eStato fisico: Solido (polvere bianca)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eColore: bianco\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAspetto: Polvere\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eOdore: inodore\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eValore di pH: ca. 9,7 (50 g\/l H₂O, 20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunto di fusione: \u003e 500 °C (decomposizione)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunto di ebollizione: dati non disponibili\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTemperatura di autoaccensione: non applicabile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunto di infiammabilità: non applicabile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLimiti di esplosione: non applicabile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePressione di vapore: dati non disponibili\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensità: 2,63 g\/cm³ (15°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensità apparente: ca. 1480 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilità in acqua: 220 g\/l (25°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilità in solventi organici: solubile in glicerina, quasi insolubile in alcol\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\u003ePurezza: min. 96,0 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSostanze insolubili in acqua: max. 0,01 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCloruro (Cl): max. 0,01 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTiosolfato (S₂O₃): max. 0,04 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCarbonati (Na₂CO₃): max. 0,15 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eArsenico (As): max. 0,00004 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eZinco (Zn): max. 0,0005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eRame (Cu): max. 0,0005 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePiombo (Pb): max. 0,0005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCalcio (Ca): max. 0,005%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFerro (Fe): max. 0,001 %\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEsempi di applicazioni professionali in vari settori:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaboratori analitici:\u003c\/strong\u003e utilizzo come agente riducente nell'analisi chimica e nella preparazione di soluzioni reagenti.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria chimica:\u003c\/strong\u003e impiego nei processi di riduzione e nelle sintesi chimiche.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria idrica e delle acque reflue:\u003c\/strong\u003e per la rimozione di ossigeno disciolto e come reagente nelle analisi qualitative.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvvertenze di pericolo sull'etichetta del prodotto:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon applicabile - il prodotto non è classificato come pericoloso secondo GHS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eAvvertenze di sicurezza sull'etichetta del prodotto:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon applicabile - per il prodotto non sono richiesti avvisi P specifici.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eCondizioni di conservazione consigliate:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eConservare in contenitori ben chiusi e protetti dall'umidità.\u003c\/li\u003e\n  \u003cli\u003eProteggere da aria e luce per evitare decomposizione.\u003c\/li\u003e\n  \u003cli\u003eConservare a temperatura ambiente, in luogo asciutto e ben ventilato.\u003c\/li\u003e\n  \u003cli\u003eEvitare il contatto con acidi e forti ossidanti.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55537869324636,"sku":"CHEM-118081006-2kg","price":48.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/bcc0680620eb88524b2de2eaf4e091df.jpg?v=1758551808","url":"https:\/\/biolaboratoriuhot.com\/it\/products\/natriumsulfitfrei-czda-2kg","provider":"Biolaboratorium","version":"1.0","type":"link"}