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Key Documents

1.02404

Supelco

Potassium iodate

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

Sinónimos:

Potassium iodate

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About This Item

Fórmula empírica (notación de Hill):
IKO3
Número de CAS:
Peso molecular:
214.00
MDL number:
UNSPSC Code:
41116107
EC Index Number:
231-831-9
NACRES:
NA.24

agency

ISO 17025
reag. Ph. Eur.
reag. USP

Quality Level

form

solid

technique(s)

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

bulk density

2000 kg/m3

storage temp.

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

General description

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.

Application

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

Features and Benefits

  • 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)

Packaging

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

Legal Information

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

Related product

Referencia del producto
Descripción
Precios

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 2

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 1

flash_point_f

does not flash

flash_point_c

does not flash


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Artículos

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Protocolos

Preparation of a standard solution for Chlorine dioxide acc. to DIN EN ISO 7393

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