1.09915

Selenium standard

1000 mg Se, (SeO₂ in HNO₃) Titrisol^®

• Synonym(e): Selenium standard for aqueous matrices
• NACRES: NA.24
• UNSPSC Code: 41116107

Eigenschaften

• grade: analytical standard
• Quality Segment: 100
• product line: Titrisol^®
• form: concentrate
• concentration: 1000 mg Se in nitric acid
• technique(s): AAS: suitable, ICP: suitable
• pH: 0.5 (20 °C in H₂O)
• density: 1.03 g/cm³ at 20 °C
• application(s): industrial qc; pharmaceutical
• format: single component solution
• storage temp.: 15-25°C

Beschreibung

Application

Selenium standard is used as a stock standardsolution for the determination of selenium in bean and soil samples usinghydride generation electrothermal atomicabsorption spectrometry.

Features and Benefits

• Titrisol^® offers a wide range of concentrated single-element standards.
• Dilute the concentrated solution to achieve the desired standard concentration.
• Directly traceable to standard reference materials (SRM) from the National Institute of Standards and Technology (NIST).
• Supplied in easy-to-handle plastic ampoules.
• Accompanied with a batch-specific certificate of analysis (COA) containing information on the NIST batch and minimum shelf life.
• Provides reliable and reproducible results.

Analysis Note

content (Se): 1000 mg / Ampoule
Determination method: ICP-OES.
(traceable of NIST - SRM 3149)
Accuracy of the method: +/- 5 mg

Legal Information

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

Sicherheitshinweise

• pictograms: GHS05,GHS09
• signalword: Danger
• hcodes: H290,H314,H410
• pcodes: P234 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
• supp_hazards: EUH071
• Lagerklasse: 8B - Non-combustible corrosive hazardous materials
• wgk: WGK 2