1.02404

Potassium iodate

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

• Sinonimo/i: Potassium iodate
• Formula empirica (notazione di Hill): IKO₃
• Numero CAS: 7758-05-6
• Peso molecolare: 214.00
• Numero MDL: MFCD00011406
• Codice UNSPSC: 41116107
• Numero indice EU: 231-831-9
• NACRES: NA.24

Proprietà

• agenzia: ISO 17025; reag. Ph. Eur.; reag. USP
• Livello qualitativo: 300
• Forma fisica: solid
• tecniche: titration: suitable
• pH: 6 (20 °C, 50 g/L in H₂O)
• Punto di fusione: 560 °C (decomposes)
• Solubilità: 92 g/L
• Densità: 3.98 g/cm³ at 20 °C
• Densità bulk: 2000 kg/m³
• Temperatura di conservazione: 15-25°C
• InChI: 1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1; JLKDVMWYMMLWTI-UHFFFAOYSA-M

Descrizione

Descrizione generale

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.

Applicazioni

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

Caratteristiche e vantaggi

• 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)

Confezionamento

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

Note legali

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

Informazioni sulla sicurezza

• Pittogrammi: GHS03,GHS07
• Avvertenze: Danger
• Indicazioni di pericolo: H272 - H302 - H319
• Consigli di prudenza: P210 - P220 - P264 - P280 - P301 + P312 - P305 + P351 + P338
• Classi di pericolo: Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 2
• Codice della classe di stoccaggio: 5.1B - Oxidizing hazardous materials
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): does not flash
• Punto d’infiammabilità (°C): does not flash