63043

Magnesium matrix modifier

• 동의어(들): Magnesium nitrate – nitric acid solution, Magnesium modifier
• CAS Number: 13446-18-9
• Beilstein: 4948473
• MDL number: MFCD00085308
• UNSPSC 코드: 12352200
• eCl@ss: 32129211
• PubChem Substance ID: 329759765
• NACRES: NA.21

속성

• 분자량: M_r 256.41 g/mol
• Quality Level: 100
• 농도: 10.0 g/L±0.3 g/L Mg (in ~17% nitric acid)
• 양이온 미량물: Ag: ≤0.001 mg/kg; As: ≤0.01 mg/kg; Cd: ≤0.001 mg/kg; Pb: ≤0.01 mg/kg; Se: ≤0.1 mg/kg; Tl: ≤0.01 mg/kg
• SMILES string: [Mg]
• InChI: 1S/Mg
• InChI key: FYYHWMGAXLPEAU-UHFFFAOYSA-N

설명

일반 설명

Matrix modification is a procedure for reducing volatilization and vapour-phase intrusions using a chemical reagent which acts as buffer enabling the use of higher pre-treated and atomization temperatures. The reagent causes either the interfering component to become more volatile or the analyte is converted to less volatile form. Magnesium is a first class modifier, forming oxides in the graphite furnace during heat pre-treatment. Magnesium added as nitrate has high thermal stability.

애플리케이션

Magnesium along with palladium may be used as matrix modifier during platform atomization, to determine lead in solution and in soil slurries, using electrothermal atomization atomic absorption spectrometry. It may also be used for determining brain manganese concentrations during graphite furnace atomic absorption spectrometry (GFAAS).

안전성 정보

• 픽토그램: GHS03,GHS05,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H272,H290,H314,H332
• 예방조치 성명서: P210 - P220 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1B
• 보충제 위험성: EUH071
• Storage Class Code: 5.1B - Oxidizing hazardous materials
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable
• 개인 보호 장비: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter