1.02402

Iron(II) ethylenediammonium sulfate

Volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur^® Reag. Ph Eur

• Sinônimo(s): Iron(II) ethylenediammonium sulfate
• Fórmula linear: (CH₂NH₃)₂SO₄ · FeSO₄ · 4H₂O
• Número CAS: 113193-60-5
• Peso molecular: 382.15
• Código UNSPSC: 41116107
• Número do índice EC: 264-357-6
• NACRES: NA.24

Propriedades

• Agency: ISO 17025; reag. Ph. Eur.
• Nível de qualidade: 300
• forma: solid
• técnica(s): titration: suitable
• pH: 4.0 (25 °C, 100 g/L in H₂O)
• solubilidade: 170 g/L
• densidade volumétrica: 600 kg/m³
• temperatura de armazenamento: 15-25°C
• cadeia de caracteres SMILES: O=S(=O)(O)O.O.[FeH2].NCCN
• InChI: 1S/C2H8N2.Fe.H2O4S/c3-1-2-4;;1-5(2,3)4/h1-4H2;;(H2,1,2,3,4)/q;+3;
• chave InChI: WAYQJNDEVYLLFJ-UHFFFAOYSA-N

Descrição

Descrição geral

Iron(II) ethylenediammonium sulfate volumetric standard is manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Aplicação

It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in redox titrations, according to USP and Ph. Eur.

Características e benefícios

• Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
• Certified reference material according to ISO 17034
• High-purity material traceable to NIST SRMs
• Qualified in a DIN EN ISO/IEC 17025 accredited laboratory
• In accordance with the chapter reagents of USP and Ph. Eur
• High-quality offering accurate titer determinations
• Accompanied by a certificate of analysis (CoA)

Embalagem

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

Informações legais

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Informações de segurança

• Código de classe de armazenamento: 13 - Non Combustible Solids
• Classe de risco de água (WGK): WGK 2
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable