{"product_id":"natriumthiosulfat-frei-czda-1kg","title":"Tiosulfat de sodiu pur CZDA 1kg","description":"\u003cp\u003e\u003cstrong\u003eTiosulfat de sodiu anhidru CZDA (Na2S2O3)\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: Tiosulfat de sodiu anhidru\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFormulă chimică: Na2S2O3\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr CAS: 7772-98-7\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr EC: 231-867-5\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMasă molară: 158,10 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: albă sau incoloră\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 H2O, 20°C): aprox. 6,5 - 8,0\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de topire: aprox. 48 °C (se descompune)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de fierbere: neaplicabil (se descompune)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTemperatură de autoaprindere: neaplicabil\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de inflamabilitate: 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. 1,67 g\/cm³ (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în apă: ușor solubil\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în solvenți organici: practic insolubil\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLog P (O\/W): foarte scăzut, substanță hidrofilă\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePuritate: 99,5 - 100,5 % (CZDA - pur pentru analiză)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan\u003eImpurițăți\u003c\/span\u003e:    \u003cul\u003e\n      \u003cli\u003eSubstanțe insolubile în apă: max. 0,005 %\u003c\/li\u003e\n      \u003cli\u003eAzot total (N): max. 0,002 %.\u003c\/li\u003e\n      \u003cli\u003eClorură (Cl): max. 0,01 %.\u003c\/li\u003e\n      \u003cli\u003eSulfați și sulfiți (SO4): max. 0,05 %.\u003c\/li\u003e\n      \u003cli\u003eSulfuri (S): max. 0,0001 %.\u003c\/li\u003e\n      \u003cli\u003eMetale grele (Pb): max. 0,0005 %.\u003c\/li\u003e\n      \u003cli\u003eMagneziu (Mg): max. 0,001%.\u003c\/li\u003e\n      \u003cli\u003ePotasiu (K): max. 0,005%.\u003c\/li\u003e\n      \u003cli\u003eCalciu (Ca): max. 0,002%.\u003c\/li\u003e\n      \u003cli\u003eFier (Fe): max. 0,0005 %\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCod produs: CHEM-118095507\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 Utilizare ca reactiv de titrare în metode iodometrice și redox.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControlul calității:\u003c\/strong\u003e Pregătirea și standardizarea soluțiilor standard de înaltă puritate.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria fotografică:\u003c\/strong\u003e Component al agenților de fixare fotografici prin legarea ionilor de argint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCercetare de mediu\u003c\/strong\u003e: Utilizare în analiza apei și a gazelor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvertismente de pericol pe eticheta produsului:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNu se aplică.\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.\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 și dioxid de carbon (substanță sensibilă la condițiile atmosferice).\u003c\/li\u003e\n  \u003cli\u003eDepozitați într-un loc uscat, răcoros și bine ventilat.\u003c\/li\u003e\n  \u003cli\u003eEvitați contactul cu agenți oxidanți puternici și acizi.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55537958781276,"sku":"CHEM-118095507-1kg","price":79.24,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/1dfd7370689496197e68197bddef294d.jpg?v=1758553079","url":"https:\/\/biolaboratoriuhot.com\/ro\/products\/natriumthiosulfat-frei-czda-1kg","provider":"Biolaboratorium","version":"1.0","type":"link"}