1.02404

Potassium iodate

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

• Synonim(y): Potassium iodate
• Wzór empiryczny (zapis Hilla): IKO₃
• Numer CAS: 7758-05-6
• Masa cząsteczkowa: 214.00
• Numer MDL: MFCD00011406
• Kod UNSPSC: 41116107
• Numer indeksu EC: 231-831-9
• NACRES: NA.24

Właściwości

• agency: ISO 17025; reag. Ph. Eur.; reag. USP
• Poziom jakości: 300
• Postać: solid
• metody: titration: suitable
• pH: 6 (20 °C, 50 g/L in H₂O)
• mp: 560 °C (decomposes)
• rozpuszczalność: 92 g/L
• gęstość: 3.98 g/cm³ at 20 °C
• gęstość nasypowa: 2000 kg/m³
• temp. przechowywania: 15-25°C
• InChI: 1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
• Klucz InChI: JLKDVMWYMMLWTI-UHFFFAOYSA-M

Opis

Opis ogólny

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.

Zastosowanie

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

Cechy i korzyści

• 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)

Opakowanie

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

Informacje prawne

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

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Informacja o środkach bezpieczeństwa

• Piktogramy: GHS03,GHS07
• Hasło ostrzegawcze: Danger
• Zwroty wskazujące rodzaj zagrożenia: H272 - H302 - H319
• Zwroty wskazujące środki ostrożności: P210 - P220 - P264 - P280 - P301 + P312 - P305 + P351 + P338
• Klasyfikacja zagrożeń: Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 2
• Kod klasy składowania: 5.1B - Oxidizing hazardous materials
• Klasa zagrożenia wodnego (WGK): WGK 1
• Temperatura zapłonu (°F): does not flash
• Temperatura zapłonu (°C): does not flash