50334

Tungsten Standard for ICP

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

• Synonym(s): Tungsten ICP Calibration Standard
• UNSPSC Code: 41116107
• NACRES: NA.24

Properties

• 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

Description

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

Safety Information

• pictograms: GHS06,GHS05
• signalword: Danger
• hcodes: H290,H301 + H311,H314,H332
• pcodes: P234 - P261 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
• supp_hazards: EUH071
• Storage Class: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter