Panreac 303127
Sodium Thiosulphate 0,1 mol *(24,818g Na2S2O3.5H2O) to prepare 1l of 0,1N solution
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Panreac 303127
Sodium Thiosulphate 0,1 mol *(24,818g Na2S2O3.5H2O) to prepare 1l of 0,1N solution
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Standardised against Potassium Bromate. Indicator: Starch
Titer at 20°C: 0.999 - 1.001
Uncertainty: See certificate
Traceability: NIST
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Panreac 181723
Standardised against Potassium Dichromate. Indicator: Starch
Titer at 20°C: 0.999 - 1.001
Uncertainty: See certificate
Traceability: NIST
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Panreac 131721
Assay (Iodom.): 99.5-101.0%
pH of 5% solution: 6.0-8.4
Maximum limit of impurities
Insoluble matter in H2O: 0.005 %
Chloride (Cl): 0.02%
Nitrogen compounds (as N): 0.002%
Sulfide (S): 0.0001 %
Sulfate and sulfite (as SO4): 0.1%
Heavy metals (as Pb): 0.0005%
Ca: 0.002 %
Cd: 0.0005 %
Co: 0.0005 %
Cr: 0.0005 %
Cu: 0.0005 %
Fe: 0.0005 %
K: 0.005 %
Mg: 0.001 %
Mn: 0.0005 %
Ni: 0.0005 %
Pb: 0.0005 %
Zn: 0.0005 %
Main substance: 99%
pH of 5% solution 7.5 - 9.0
Chlorides: 0.02%
Sulfates: 0.02%
Iron: 0.001%
Lead: 0.001%
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Analysis (cerim.): 99.0 %
Alkaline reactive substance: 0.1%
Loss on drying: 0.1%
Substances insoluble in H2O: 0.3%
Chlorides (NaCl): 0.05 %
Europe
Main substance: 99.0-100.5%
Chlorides: 0.02%
Sulfates: 0.01%
Arsenic: 0.0001%
Lead: 0.0002%
packaging size 500 g, 1 kg
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