1.02404

Potassium iodate

volumetric standard, secondary reference material for iodometry, traceable to NIST SRM Certipur^®

• 동의어(들): Potassium iodate
• 실험식(Hill 표기법): IKO₃
• CAS Number: 7758-05-6
• Molecular Weight: 214.00
• MDL number: MFCD00011406
• UNSPSC 코드: 41116107
• EC 인덱스 번호: 231-831-9
• NACRES: NA.24

속성

• Agency: ISO 17025; reag. Ph. Eur.; reag. USP
• Quality Level: 300
• 양식: solid
• 기술: titration: suitable
• pH: 6 (20 °C, 50 g/L in H₂O)
• mp: 560 °C (decomposes)
• solubility: 92 g/L
• density: 3.98 g/cm³ at 20 °C
• 벌크 밀도: 2000 kg/m³
• 저장 온도: 15-25°C
• SMILES string: [K+].[I](=O)(=O)[O-]
• InChI: 1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
• InChI key: JLKDVMWYMMLWTI-UHFFFAOYSA-M

설명

일반 설명

Potassium iodate is a volumetric standard 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 is used as secondary reference material for the standardization of volumetric solutions in iodometric titrations, following 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

• 픽토그램: GHS03,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H272 - H302 - H319
• 예방조치 성명서: P210 - P220 - P264 - P280 - P301 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 2
• Storage Class Code: 5.1B - Oxidizing hazardous materials
• WGK: WGK 1
• Flash Point (°F): does not flash
• Flash Point (°C): does not flash