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Antion Traces
|
chloride (Cl-): ≤50 mg/kg
|
|
Antion Traces
|
sulfate (SO42-): ≤100 mg/kg
|
|
Cation Traces
|
As: ≤0.5 mg/kg
|
|
Cation Traces
|
Ca: ≤10 mg/kg
|
|
Cation Traces
|
Cd: ≤5 mg/kg
|
|
Cation Traces
|
Co: ≤5 mg/kg
|
|
Cation Traces
|
Cr: ≤5 mg/kg
|
|
Cation Traces
|
Cu: ≤5 mg/kg
|
|
Cation Traces
|
Fe: ≤5 mg/kg
|
|
Cation Traces
|
K: ≤50 mg/kg
|
|
Cation Traces
|
Mg: ≤5 mg/kg
|
|
Cation Traces
|
Mn: ≤5 mg/kg
|
|
Cation Traces
|
Ni: ≤5 mg/kg
|
|
Cation Traces
|
Pb: ≤10 mg/kg
|
|
Cation Traces
|
Zn: ≤5 mg/kg
|
|
Impurities
|
insoluble matter, passes filter test
|
|
Impurities
|
≤0.001% total nitrogen (N)
|
|
Impurities
|
≤0.05% free alkali (as NaOH)
|
|
λ
|
1 M in H2O
|
|
Linear Formula
|
Na2WO4 · 2H2O
|
|
Product Line
|
BioUltra
|
|
Purity
|
≥99.0% (T)
|
|
Absorption Wavelength
|
λ: 260 nm Amax: ≤0.120
|
|
Absorption Wavelength
|
λ: 280 nm Amax: ≤0.035
|
|
Melting Point
|
698 °C(lit.)
|
|
pH
|
9.5-11.5 (25 °C, 1 M in H2O)
|
|
Solubility
|
H2O: soluble1 M at 20 °C, clear, colorless
|
|
GHS Pictograms
|
|
|
GHS Signal Word
|
Warning
|
|
GHS Hazard statements
|
H302
|
|
European Hazard Symbols
|
 Harmful (Xn)
|
|
MSDS Link
|
Download
|
|
Personal Protective Equipment
|
dust mask type N95 (US), Eyeshields, Gloves
|
|
Risk Statements
|
22
|
|
RTECS
|
YO7900000
|
|
Safety Statements
|
36
|
|
German water hazard class
|
1
|