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Merck
CN

1.02409

Zinc

volumetric standard, secondary reference material for complexometry, traceable to NIST SRM Certipur® Reag. Ph Eur

Synonym(s):

Zinc

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About This Item

CAS Number:
7440-66-6
UNSPSC Code:
11101719
EC Index Number:
231-175-3
NACRES:
NA.24
MDL number:
MFCD00011291

Key Documents

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Product Name

Zinc, volumetric standard, secondary reference material for complexometry, traceable to NIST SRM Certipur® Reag. Ph Eur

SMILES string

[Zn]

InChI

1S/Zn

InChI key

HCHKCACWOHOZIP-UHFFFAOYSA-N

agency

ISO 17025
reag. Ph. Eur.

form

solid

technique(s)

titration: suitable

bp

906 °C/1013 hPa

mp

419 °C

density

7.13 g/cm3 at 20 °C

storage temp.

15-25°C

Quality Level

300

Related Categories

Application

It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in complexometric titrations, according to 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

General description

Zinc volumetric standard is 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.

In our effort to be more sustainable, we′re going digital with COAs-download them directly from our website. Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

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

pictograms

Environment
GHS09

signalword

Warning

hcodes

H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

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Articles

Importance of Volumetric Solution Standardization

The titer determination or standardization of a titration solution is essential for accurate and reliable titration results.

Titration 4.0

SmartChemicals enable wireless CoA data transfer, reducing human error in titration experiments.

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