Technical Data Sheet
Sodium thiosulphate pentahydrate, 1 kg
≥99,5 %, p.a., ACS
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Pack.
Empirical formula Na2S2O3 · 5 H2O
Molar mass (M) 248,18 g/mol
Density (D) 1,73 g/cm³
Melting point (mp) 48 °C
WGK 1
CAS No. 10102-17-7
EG-Nr. 231-867-5
Molar mass (M) 248,18 g/mol
Density (D) 1,73 g/cm³
Melting point (mp) 48 °C
WGK 1
CAS No. 10102-17-7
EG-Nr. 231-867-5
Photographic fixer; for volumetric solutions in iodometry; for detection of hydrocyanic acid, quinine, chlorate hydrate and cobalt.
€44.00/Pack Qty.
excl. VAT. | 1 kg per Pack Qty.
Art. No. P034.2
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€41.80/Pack Qty.
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| P034.1 | 500 g | plastic |
€26.80 |
|
|
| P034.2 | 1 kg | plastic |
€44.00 |
|
|
| P034.3 | 2.5 kg | plastic |
€87.65 |
|
|
| P034.5 | 25 kg | plastic |
€633.20 |
|
|
|
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Downloads / MSDS
Certificates of Analysis
Guarantee analysis
| Assay (iodom.) | 99,5-101,0 % |
| pH value (5 % in water) | 6,0-8,4 |
| In H2O insoluble matter | ≤0,005 % |
| Total nitrogen (as N) | ≤0,002 % |
| Chloride (Cl) | ≤0,02 % |
| Sulphate and sulphite (as SO4) | ≤0,1 % |
| Sulphide (S) | ≤0,0001 % |
| Heavy metals (as Pb) | ≤0,0005 % |
| Calcium (Ca) | ≤0,002 % |
| Cobalt (Co) | ≤0,0005 % |
| Chromium (Cr) | ≤0,0005 % |
| Magnesium (Mg) | ≤0,001 % |
| Nickel (Ni) | ≤0,0005 % |
| Potassium (K) | ≤0,005 % |
| Cadmium (Cd) | ≤0,0005 % |
| Copper (Cu) | ≤0,0005 % |
| Iron (Fe) | ≤0,0005 % |
| Manganese (Mn) | ≤0,0005 % |
| Lead (Pb) | ≤0,0005 % |
| Zinc (Zn) | ≤0,0005 % |