Technical Data Sheet
Potassium sodium tartrate tetrahydrate, 1 kg
≥99 %, p.a., ACS, ISO
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Seignette salt
Empirical formula C4H4KNaO6 · 4 H2O
Molar mass (M) 282,22 g/mol
Density (D) 1,79 g/cm³
Melting point (mp) 80 °C
WGK 1
CAS No. 6381-59-5
EG-Nr. 205-698-2
Molar mass (M) 282,22 g/mol
Density (D) 1,79 g/cm³
Melting point (mp) 80 °C
WGK 1
CAS No. 6381-59-5
EG-Nr. 205-698-2
Used as a constituent of Fehling's solution.
€91.30/Pack Qty.
excl. VAT. | 1 kg per Pack Qty.
Art. No. 8087.1
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Art. No. | Pack Qty. | Pack. | Price | Quantity | |
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8087.1 | 1 kg | plastic |
€91.30 |
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8087.2 | 500 g | plastic |
€54.75 |
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8087.3 | 2.5 kg | plastic |
€198.90 |
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Downloads / MSDS
Certificates of Analysis
Guarantee analysis
Assay (perchloric acid titration) | ≥99 % |
pH value (5 % in water) | 6,5-8,5 |
In H2O insoluble matter | ≤0.005 % |
Chloride (Cl) | ≤0.001 % |
Sulphate (SO4) | ≤0,005 % |
Phosphate (PO4) | ≤0.002 % |
Ammonium (NH4) | ≤0,002 % |
Arsenic (As) | ≤0,00002 % |
Lead (Pb) | ≤0,0002 % |
Calcium (Ca) | ≤0.005 % |
Iron (Fe) | ≤0.0005 % |
Copper (Cu) | ≤0,0002 % |
Magnesium (Mg) | ≤0,002 % |
Nickel (Ni) | ≤0,0005 % |
Heavy Metals (ICP-OES) | ≤0,0005 % |