Antion Traces
|
chloride (Cl-): ≤0.05%
|
Antion Traces
|
sulfate (SO42-): ≤0.05%
|
Cation Traces
|
Al: ≤0.0005%
|
Cation Traces
|
Ca: ≤0.0005%
|
Cation Traces
|
Cu: ≤0.0005%
|
Cation Traces
|
Fe: ≤0.0005%
|
Cation Traces
|
K: ≤0.005%
|
Cation Traces
|
Mg: ≤0.0005%
|
Cation Traces
|
NH4+: ≤0.05%
|
Cation Traces
|
Na: ≤0.005%
|
Cation Traces
|
Pb: ≤0.001%
|
Cation Traces
|
Zn: ≤0.0005%
|
Ignition Residue
|
≤0.1%
|
Impurities
|
≤0.0005% Phosphorus (P)
|
Impurities
|
≤0.1% Insoluble matter
|
Impurities
|
≤1.0% (Karl Fischer)
|
pH Range
|
8.9 - 10.3
|
Purity
|
≥99.0% anhydrous basis (CAPSO, titration)
|
Purity
|
≥99.0% anhydrous basis (TSOD, titration)
|
Absorption Wavelength
|
A0.5M/260, H2O ≤0.05
|
Absorption Wavelength
|
A0.5M/280, H2O ≤0.05
|
pKa
|
9.6
|
pH
|
2.0-4.0 (20 °C, 0.5 M in H2O)
|
Solubility
|
H2O: soluble0.5 M at 20 °C, clear, colorless
|
Personal Protective Equipment
|
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
|
German water hazard class
|
3
|