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50334

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Tungsten Standard for ICP

TraceCERT®, 1 g/L W in nitric acid and hydrofluoric acid (nominal concentration)

Synonym(s):

Tungsten ICP Calibration Standard

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About This Item

UNSPSC Code:
41116107
NACRES:
NA.24

grade

certified reference material
TraceCERT®

Quality Level

300

product line

TraceCERT®

concentration

1 g/L W in nitric acid and hydrofluoric acid (nominal concentration)

technique(s)

ICP: suitable

application(s)

industrial qc
pharmaceutical

format

single component solution

Related Categories

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 Standard for ICP has been used as a standard stock solution in the determination of tungsten concentration in bulk drugs and intermediates using high performance liquid chromatography combined with inductively coupled plasma mass spectrometry method (HPLC-ICP-MS).

Analysis Note

1 g/L W in 5% nitric acid and 2% hydrofluoric acid, prepared with high purity W metal, HNO3, HF, and water

Other Notes

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

Legal Information

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

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Supplementary Hazards

EUH071

Storage Class Code

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number

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