1.11448

Anion multi-element standard II

1000 mg/l: Cl⁻, NO₃⁻, SO₄²⁻ in H₂O Certipur^®

• UNSPSC Code: 41116107

Properties

• Quality Level: 100
• technique(s): ion chromatography: suitable
• pH: 6 (20 °C in H₂O)
• density: 1.002 g/cm³ at 20 °C
• application(s): environmental; food and beverages
• format: multi-component solution
• storage temp.: 15-25°C

Description

Application

• Preconcentration and analysis of trace anions in environmental samples: This application demonstrates the use of Anion multi-element standard II in optimizing preconcentration techniques for trace elements like Cu(II), Co(II), and Ni(II), utilizing flame atomic absorption spectrometry. The study emphasizes its utility in enhancing analytical accuracy in environmental monitoring, aligning with practices in pharmaceutical quality control and biotech anion testing (Tokay and Bağdat, 2016).

Linkage

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Analysis Note

Determination method : titrimetric
Accuracy of the Method : Cl , NO3, SO4 +/- 0.5 %
Concentration     β (Cl⁻): 995 - 1005 mg/l
Determination method: argentometric titration.
(traceable to NIST - SRM 999b)
Concentration     β (NO₃⁻): 995 - 1005 mg/l
Determination method: alcalimetric titration.
(traceable to NIST - SRM 723e)
Concentration     β (SO₄²⁻): 995 - 1005 mg/l
Determination method: titration with lead(II)perchlorate solution.
(traceable to NIST - SRM 682)

Legal Information

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

Safety Information

• Storage Class Code: 12 - Non Combustible Liquids
• WGK: nwg
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable