| Related Categories |
Analytical Reagents,
Analytical/Chromatography,
Chromatography Reagents & Solvents,
LC-MS Additives & Reagents,
LC-MS Mobile Phase Additives,
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grade
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for mass spectrometry
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InChI Key
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VZTDIZULWFCMLS-UHFFFAOYSA-N
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assay
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≥99.0% (calc. on dry substance, NT)
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≥99.0%
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impurities
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insoluble matter, passes filter test
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<2% water
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ign. residue (900°C)
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<0.1% (as SO4)
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pH
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5.5-7.5 (25 °C, 1 M in H2O)
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mp
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119-121 °C(lit.)
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solubility
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H2O: 1 M at 20 °C clear, colorless
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density
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1.26 g/mL at 25 °C(lit.)
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anion traces
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chloride (Cl-): ≤50 mg/kg
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sulfate (SO42-): ≤50 mg/kg
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cation traces
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Al: ≤1 mg/kg
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As: ≤0.1 mg/kg
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Ba: ≤1 mg/kg
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Bi: ≤1 mg/kg
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Ca: ≤5 mg/kg
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Cd: ≤1 mg/kg
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Co: ≤1 mg/kg
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Cr: ≤1 mg/kg
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Cu: ≤1 mg/kg
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Fe: ≤1 mg/kg
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K: ≤5 mg/kg
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Li: ≤1 mg/kg
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Mg: ≤1 mg/kg
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Mn: ≤1 mg/kg
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Mo: ≤1 mg/kg
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Na: ≤5 mg/kg
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Ni: ≤1 mg/kg
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Pb: ≤1 mg/kg
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Sr: ≤1 mg/kg
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Zn: ≤1 mg/kg
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λ
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1 M in H2O
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UV absorption
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λ: 260 nm Amax: ≤0.01
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λ: 280 nm Amax: ≤0.01
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