1.02404

Potassium iodate

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

• 別名: Potassium iodate
• 実験式（ヒル表記法）: IKO₃
• CAS番号: 7758-05-6
• 分子量: 214.00
• MDL番号: MFCD00011406
• UNSPSCコード: 41116107
• EC Index Number: 231-831-9
• NACRES: NA.24

特性

• 認証: ISO 17025; reag. Ph. Eur.; reag. USP
• 品質水準: 300
• 形状: solid
• テクニック: titration: suitable
• pH: 6 (20 °C, 50 g/L in H₂O)
• mp: 560 °C (decomposes)
• 溶解性: 92 g/L
• 密度: 3.98 g/cm³ at 20 °C
• かさ密度: 2000 kg/m³
• 保管温度: 15-25°C
• InChI: 1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
• InChI Key: JLKDVMWYMMLWTI-UHFFFAOYSA-M

詳細

詳細

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.

アプリケーション

It is used as secondary reference material for the standardization of volumetric solutions in iodometric titrations, following USP and Ph. Eur.

特徴および利点

• 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)

包装

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

法的情報

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

安全性情報

• ピクトグラム: GHS03,GHS07
• シグナルワード: Danger
• 危険有害性情報: H272 - H302 - H319
• 注意書き: P210 - P220 - P264 - P280 - P301 + P312 - P305 + P351 + P338
• 危険有害性の分類: Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 2
• 保管分類コード: 5.1B - Oxidizing hazardous materials
• WGK: WGK 1
• 引火点(°F): does not flash
• 引火点(℃): does not flash