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1.70364

Supelco

Tungsten ICP standard

traceable to SRM from NIST (NH₄)₂WO₄ in H₂O 1000 mg/l W Certipur®

Synonym(s):

Tungsten Calibration Standard for ICP

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About This Item

UNSPSC Code:
41116107
NACRES:
NA.24

grade

certified reference material

Quality Level

300

product line

Certipur®

concentration

1000 mg/L W in water

technique(s)

ICP: suitable

density

1.000 g/cm3 at 20 °C

application(s)

industrial qc
pharmaceutical

format

single component solution

storage temp.

15-25°C

General description

This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST.
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, date of expiry, and detailed information about trace impurities.

Application

Tungsten ICP standard is a suitable calibration standard for elemental analysis by Inductively Coupled Plasma (ICP) technique.

Analysis Note

1000 mg/L W in H2O, prepared withhigh-purity (NH4)2WO4 and water

Other Notes

For a complete product listing of our Certipur® range of CRMs for ICP and AAS, technical information, and example certificates please visit our ICP & AAS standards website

Legal Information

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

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

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.

JAN Code

1703640100:
1.70364A.0100:
1.70364.0100DISC:

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’.

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