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InChI key
PASHVRUKOFIRIK-UHFFFAOYSA-L
InChI
1S/Ca.H2O4S.2H2O/c;1-5(2,3)4;;/h;(H2,1,2,3,4);2*1H2/q+2;;;/p-2
SMILES string
O.O.[Ca++].[O-]S([O-])(=O)=O
product line
BioUltra
assay
≥99.0% (KT)
impurities
insoluble matter, passes filter test
pH
5.0-7.5 (25 °C, 0.01 M in H2O)
solubility
H2O: 0.01 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg
cation traces
As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Li: ≤5 mg/kg, Mg: ≤200 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤20 mg/kg, Sr: ≤200 mg/kg, Zn: ≤5 mg/kg
λ
0.01 M in H2O
UV absorption
λ: 260 nm Amax: 0.015, λ: 280 nm Amax: 0.010
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