Sodium thiosulfate, anhydrous 99% for analysis

Supplier: THERMO FISHER SCIENTIFIC CHEMICALS
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AC45062-0010 AC45062-0050 AC45062-2500
TS45062-0010EA 48 USD
TS45062-0010 TS45062-0050 TS45062-2500
Sodium thiosulfate, anhydrous 99% for analysis
Sodium thiosulphate
Formula: Na₂S₂O₃
Melting Pt: 48 °C
Storage Temperature: Ambient
MDL Number: MFCD00003499
CAS Number: 7772-98-7

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Specification Test Results

Appearance White Crystalline powder
Titration Iodimetric ≥98.5 %
Loss on drying ≤1 % (105°C)
pH 6.0 to 8.4 (5 % in water)
Chloride (Cl) ≤0.05 %
Sulfide (S) ≤50 ppm
Cadmium (Cd) ≤50 ppm
Calcium (Ca) ≤50 ppm
Cobalt (Co) ≤50 ppm
Copper (Cu) ≤50 ppm
Iron (Fe) ≤50 ppm
Lead (Pb) ≤50 ppm
Nickel (Ni) ≤50 ppm
Potassium (K) ≤100 ppm
Zinc (Zn) ≤50 ppm
Insoluble matter ≤0.01 % (in water)

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