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

• 동의어(들): Iron(II) ethylenediammonium sulfate
• Linear Formula: (CH₂NH₃)₂SO₄ · FeSO₄ · 4H₂O
• CAS Number: 113193-60-5
• Molecular Weight: 382.15
• UNSPSC 코드: 41116107
• EC 인덱스 번호: 264-357-6
• NACRES: NA.24

속성

• Agency: ISO 17025; reag. Ph. Eur.
• Quality Level: 300
• 형태: solid
• 기술: titration: suitable
• pH: 4.0 (25 °C, 100 g/L in H₂O)
• solubility: 170 g/L
• 벌크 밀도: 600 kg/m³
• 저장 온도: 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

설명

일반 설명

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.

애플리케이션

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.

특징 및 장점

• 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)

포장

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

법적 정보

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

안전성 정보

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 2
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable