Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

1.02409

Supelco

Zinc

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

Synonym(s):

Zinc

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
Zn
CAS Number:
7440-66-6
Molecular Weight:
65.39
MDL number:
MFCD00011291
UNSPSC Code:
41116107
EC Index Number:
231-175-3
NACRES:
NA.24

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

InChI

1S/Zn

InChI key

HCHKCACWOHOZIP-UHFFFAOYSA-N

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.

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
  • 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

Product No.
Description
Pricing

1.09074

Sulfuric acid, c(H2SO4) = 0.05 mol/l (0.1 N), Titripur®, reag. USP

1.09121

Potassium permanganate solution, standardised against sodium thiosulfate c(KMnO4) = 0.02 mol/l (0.1 N), Titripur®, reag. Ph. Eur.

1.04818

Potassium chloride solution, saturated with silver chloride 3 mol/l

1.09114

Potassium hydroxide solution in ethanol, c(KOH) = 0.5 mol/l (0.5 N), Titripur®, reag. Ph. Eur.

1.09141

Sodium hydroxide solution, c(NaOH) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

1.09065

Perchloric acid, in anhydrous acetic acid, for titrations in non-aqueous media c(HClO4) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

1.09147

Sodium thiosulfate solution, c(Na2S2O3 5 H2O) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

1.09081

Silver nitrate solution, c(AgNO3) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

1.09058

Hydrochloric acid solution, c(HCl) = 0.5 mol/l (0.5 N), Titripur®, reag. USP

1.04817

Potassium chloride solution, 3 mol/l

1.09138

Sodium hydroxide solution, c(NaOH) = 0.5 mol/l (0.5 N), Titripur®

1.09099

Iodine solution, c(I2) = 0.05 mol/l (0.1 N), Titripur®, reag. Ph. Eur.

1.09060

Hydrochloric acid solution, c(HCl) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

1.08431

Titriplex® III solution, for metal titration c(Na-EDTA 2 HO) = 0.1 mol/l, Titripur®, reag. Ph. Eur.

1.09137

Sodium hydroxide solution, c(NaOH) = 1 mol/l (1 N), Titripur®, reag. Ph. Eur., reag. USP

Pictograms

Environment
GHS09

Signal Word

Warning

Hazard Statements

H410

Precautionary Statements

P273 - P391 - P501

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Articles

Importance of Volumetric Solution Standardization

The titer determination or standardization of a titration solution is essential for accurate and reliable titration results. High quality solutions verified by high quality standards are the base for a reliable determinations.

Titration 4.0

SmartChemicals enable wireless transfer of CoA data stored on an RFID tag on the consumable bottle to the titrator, reducing effort and chance for human error. Crucial data required for the application is transmitted safely, reliably and intelligently to the instrument.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service