Antion Traces
|
chloride (Cl-): ≤0.003%
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Antion Traces
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sulfate (SO42-): ≤0.005%
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Cation Traces
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Fe: ≤0.001%
|
Cation Traces
|
Na: ≤0.05%
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Cation Traces
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heavy metals (as Pb): ≤5 ppm
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Grade
|
ACS reagent
|
Impurities
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≤0.001% Nitrogen compounds (as N)
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Impurities
|
≤0.01% Insoluble matter
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Loss on Drying
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≤1.0% loss on drying, 105°C
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Purity
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≥98%
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pKa
|
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
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pH
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8.5-9.6 (25 °C, 5% in solution)
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Personal Protective Equipment
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Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
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German water hazard class
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3
|