{"product_id":"natriumhydroxid-czda-20kg","title":"Hidroxid de sodiu CZDA 20kg","description":"\u003cp\u003e\u003cstrong\u003eHidroxid de sodiu - solid (p.d.a.) (CHEM*118109252)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInformații tehnice despre reactivi chimici:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eFormulă chimică: NaOH\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDenumire în engleză: Sodium hydroxide\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSinonime: Sodă caustică; Leșie de sodă\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMasă molară (M): 40,00 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr CAS: 1310-73-2\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr CE (UE): 215-185-5\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eIndex number (CLP): 011-002-00-6\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSpeciație: p.d.a. (pur pentru analiză)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eConținut: ≥ 98,8%\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProprietăți fizice și chimice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eFormă - stare fizică: solid, puternic higroscopic (se descompune în aer)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAspect exterior: alb, inodor\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eValoare pH: \u003e 12 (1 M,\u003csub\u003eH2O\u003c\/sub\u003e, 20 °C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de topire: 324 °C\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de fierbere: 1390 °C\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de aprindere\/Temperatură de autoaprindere: 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: 1,33 hPa (739 °C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensitate (20 °C): 2,3 g\/cm³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensitate în vrac: ~1000 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate: în apă - 1090 g\/l (20 °C); în solvenți organici - alcooli, glicerină\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecificații de calitate (Valori maxime):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eCarbonat de sodiu (\u003csub\u003eNa2CO3\u003c\/sub\u003e): ≤ 0,7%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAzot total (N): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eClorură (Cl): ≤ 0,005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFosfat (\u003csub\u003ePO4\u003c\/sub\u003e): ≤ 0,001%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAcid silicic (\u003csub\u003eSiO2\u003c\/sub\u003e): ≤ 0,005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulfat (\u003csub\u003eSO4\u003c\/sub\u003e): ≤ 0,003%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMetale grele (ca Pb): ≤ 0,001%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eBariu (Ba): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eZinc (Zn): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAluminiu (Al): ≤ 0,001%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCadmiu (Cd): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCobalt (Co): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMagneziu (Mg): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMangan (Mn): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCupru (Cu): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNichel (Ni): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePlumb (Pb): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eArgint (Ag): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eStronțiu (Sr): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCalciu (Ca): ≤ 0,001%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFier (Fe): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eClasificare și transport:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eIndicații de pericol (H): \u003cstrong\u003eH290\u003c\/strong\u003e - Poate provoca coroziunea metalelor; \u003cstrong\u003eH314\u003c\/strong\u003e - Provocă arsuri grave ale pielii și leziuni grave ale ochilor.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eIndicații de siguranță (P): \u003cstrong\u003eP280\u003c\/strong\u003e; \u003cstrong\u003eP301 + P330 + P331\u003c\/strong\u003e; \u003cstrong\u003eP305 + P351 + P338\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eUN 1823 - HIDROXID DE SODIU, SOLID; RID\/ADR: Clasa 8 (Substanțe corozive), Grup de ambalare II.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eExemple de aplicații profesionale în diverse industrii:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria chimică:\u003c\/strong\u003e materie primă pentru sinteze anorganice și organice; reglarea pH-ului și neutralizarea acizilor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaboratoare de cercetare\/control:\u003c\/strong\u003e reactiv pentru titrări; prepararea soluțiilor alcaline și a tampoanelor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria de hârtie, textile și suprafețe:\u003c\/strong\u003e procese alcaline; spălarea și degresarea instalațiilor (CIP\/COP) cu compatibilitate materială.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFormulări tehnice:\u003c\/strong\u003e component al produselor de curățare și preparatelor de curățenie pentru aplicații industriale.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eCondiții de depozitare recomandate:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eDepozitați în recipiente etanșe, uscate, din materiale rezistente chimic (PE\/PP sau oțel cu protecție adecvată).\u003c\/li\u003e\n  \u003cli\u003eProtejați de umiditate și\u003csub\u003eCO2\u003c\/sub\u003e protejați de aer (formarea de \u003csub\u003eNa2CO3\u003c\/sub\u003e, lipire și dizolvare).\u003c\/li\u003e\n  \u003cli\u003ePăstrați departe de acizi, metale ușoare și substanțe incompatibile; evitați contactul cu substanțe corozive.\u003c\/li\u003e\n  \u003cli\u003eAsigurați o ventilație adecvată a spațiului de depozitare; utilizați echipament de protecție individuală la manipularea substanței.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55542935748956,"sku":"CHEM-118109252-20kg","price":291.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/8848489be32c5e01bf0d77c8ce31f087.jpg?v=1758617254","url":"https:\/\/akjaerkrdxem.shop\/ro\/products\/natriumhydroxid-czda-20kg","provider":"Biolaboratorium","version":"1.0","type":"link"}