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

• Synonym(s): Iron(II) ethylenediammonium sulfate
• CASE番号: 113193-60-5
• MDL number: MFCD00149220
• UNSPSC Code: 41116107
• EC Index Number: 264-357-6
• NACRES: NA.24

คุณสมบัติ

• Quality Level: 300
• agency: ISO 17025, reag. Ph. Eur.
• form: solid
• technique(s): titration: suitable
• pH: 4.0 (25 °C, 100 g/L in H₂O)
• solubility: 170 g/L
• bulk density: 600 kg/m³
• storage temp.: 15-25°C
• SMILES string: 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;
• InChI key: WAYQJNDEVYLLFJ-UHFFFAOYSA-N

คำอธิบาย

General description

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.

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Application

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.

Features and Benefits

• 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

Packaging

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

Legal Information

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

ข้อมูลความปลอดภัย

• คลาสการจัดเก็บ: 13 - Non Combustible Solids
• wgk: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable