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

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agency

ISO 17025
reag. Ph. Eur.

Quality Level

300

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

SMILES string

[Zn]

InChI

1S/Zn

InChI key

HCHKCACWOHOZIP-UHFFFAOYSA-N

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This Item
324930243469578002
Zinc volumetric standard, secondary reference material for complexometry, traceable to NIST SRM Certipur® Reag. Ph Eur

Supelco

1.02409

Zinc

Zinc powder, <150 μm, 99.995% trace metals basis

Sigma-Aldrich

324930

Zinc

Zinc granular, 20-30 mesh, ACS reagent, ≥99.8%

Sigma-Aldrich

243469

Zinc

Zinc nanopowder, 40-60 nm avg. part. size, ≥99% trace metals basis

Sigma-Aldrich

578002

Zinc

technique(s)

titration: suitable

technique(s)

-

technique(s)

-

technique(s)

-

agency

ISO 17025

agency

-

agency

-

agency

-

form

solid

form

powder

form

granular

form

nanopowder

bp

906 °C/1013 hPa

bp

907 °C (lit.)

bp

907 °C (lit.)

bp

907 °C (lit.)

mp

419 °C

mp

420 °C (lit.)

mp

420 °C (lit.)

mp

420 °C (lit.)

density

7.13 g/cm3 at 20 °C

density

7.133 g/mL at 25 °C (lit.)

density

7.133 g/mL at 25 °C (lit.)

density

7.133 g/mL at 25 °C (lit.)

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.

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

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

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pictograms

Environment
GHS09

signalword

Warning

hcodes

H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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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