grade
for luminescence
vapor pressure
1 mmHg ( 719 °C)
product line
BioUltra
assay
≥86% (T)
form
pellets
total impurities
insoluble matter, passes filter test
≤0.0005% total nitrogen (N)
≤0.6% potassium carbonate (K2CO3)
mp
361 °C(lit.)
solubility
H2O: 1 M at 20 °C, clear, colorless
density
2.044 g/mL at 25 °C(lit.)
anion traces
chloride (Cl-): ≤5 mg/kg
phosphate (PO4-): ≤5 mg/kg
silicate (as SiO2): ≤5 mg/kg
sulfate (SO42-): ≤5 mg/kg
cation traces
Ag: ≤5 mg/kg
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Hg: ≤0.1 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤5000 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
λ
1 M in H2O
UV absorption
λ: 260 nm Amax: 0.020
λ: 280 nm Amax: 0.010
suitability
in accordance for luminescence test
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