{"product_id":"natriumthiosulfat-5hydrat-czda-250g","title":"Tiosulfat de sodiu 5-hidrat CZDA 250g","description":"\u003cp\u003e\u003cstrong\u003eTiosulfat de sodiu 5-hidrat p.d.a. (Na2S2O3 - 5H2O)\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: Pentahidrat de ditiosulfat de sodiu\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFormulă chimică: Na2S2O3 - 5H2O\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr CAS: 10102-17-7\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: 248,18 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eStare fizică: solid, cristale\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCuloare: incolor\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAspect exterior: cristale incolore\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): 6,0 - 7,5\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de topire: 48 °C (descompunere)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de fierbere: 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\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: 1,73 g\/cm³ (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensitate în vrac: aproximativ 1000 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în apă: aproximativ 700 g\/l (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în solvenți organici: nu sunt date\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLog P (O\/W): -4,35 (calculat)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eConținut: 99,5 - 100,5 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSubstanțe insolubile în apă: max. 0,005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAzot total (N): max. 0,002 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eClorură (Cl): max. 0,01 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulfați și sulfiți (SO4): max. 0,05 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulfuri (S): max. 0,0001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMetale grele (Pb): max. 0,0005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMagneziu (Mg): max. 0,001%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePotasiu (K): max. 0,005%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCalciu (Ca): max. 0,002%.\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-118095802\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 Reactiv în analize iodometrice și în prepararea soluțiilor standard.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControlul calității:\u003c\/strong\u003e pentru calibrarea metodelor analitice și testelor de laborator.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria fotografică:\u003c\/strong\u003e Utilizare în procedeele de fixare fotografică (leagă ionii de argint).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlte procese de cercetare:\u003c\/strong\u003e Agenți complecșioni și agenți reducători în chimia analitică.\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.\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, lumină și căldură.\u003c\/li\u003e\n  \u003cli\u003ePăstrați într-un loc răcoros, uscat și bine ventilat.\u003c\/li\u003e\n  \u003cli\u003eEvitați contaminarea și contactul cu substanțe oxidante.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55537951703388,"sku":"CHEM-118095802-250g","price":23.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/7c2af3f4e8369a0030bb929cfaeeb0c7.jpg?v=1758552932","url":"https:\/\/biolaboratoriuhot.com\/ro\/products\/natriumthiosulfat-5hydrat-czda-250g","provider":"Biolaboratorium","version":"1.0","type":"link"}