1.11448

Anion multi-element standard II

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

• UNSPSC 코드: 41116107

속성

• Quality Level: 100
• 기술: ion chromatography: suitable
• pH: 6 (20 °C in H₂O)
• density: 1.002 g/cm³ at 20 °C
• 응용 분야: environmental; food and beverages
• 형식: multi-component solution
• 저장 온도: 15-25°C

설명

애플리케이션

• 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).

결합

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분석 메모

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)

법적 정보

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

안전성 정보

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